Lengthened operating device and valve

Abstract

The utility model relates to the technical field of valves, and discloses a lengthened operating device and a valve, the valve comprises a sleeve, a transmission piece and a connecting assembly, the sleeve is provided with a rotating cavity with two open ends, an extending section and two connecting sections, the extending section and the two connecting sections form the rotating cavity, and the two connecting sections are arranged at the two ends of the extending section respectively; the transmission part is provided with two clamping ends which are oppositely arranged, and one clamping end is suitable for being inserted into the rotating cavity through one opening and extending out of the rotating cavity through the other opening; when the transmission part is arranged in the rotating cavity, the connecting assembly is arranged between the transmission part and the connecting section so as to rotationally connect the sleeve and the transmission part; wherein any connecting section is suitable for being connected with a valve body of the valve or a connecting section of another sleeve, and any clamping end is suitable for being clamped with a valve rod of the valve or a clamping end of another transmission piece. According to the utility model, the installation efficiency of the lengthened operation device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to valve technical field, concretely relates to lengthening operation device and valve. BACKGROUND

[0002] In the existing industrial valve, there can be a distance of several meters, even tens of meters, between the installation position and the operation position of the valve, which requires the operation position of the valve to be raised to adapt to the distance.

[0003] In the prior art, a valve lengthening operation device is usually used to solve the problem of the distance between the installation position and the operation position of the valve. The valve lengthening operation device mainly has two structural forms. One is a hand wheel lifting structure, which is a hand wheel and an extension rod installed on the basis of the original hand wheel, that is, one end of the extension rod is connected with the original hand wheel, and the other end is connected with the installed hand wheel, so that the original hand wheel can be controlled through the installed hand wheel. The other is a sleeve lifting structure, which is to install a transmission shaft in a sleeve, connect the transmission shaft with a valve stem on the valve, and connect the sleeve with a valve body, so that the rotation of the valve stem can be controlled through the transmission shaft, and the sleeve can protect the transmission shaft from damage.

[0004] However, the two lengthening operation devices have the problems that the hand wheel lifting structure cannot be used for buried valves, and the sleeve lifting structure has the problems of difficult installation and easy separation of the transmission shaft from the valve stem due to the separate structure of the sleeve and the transmission shaft, resulting in low installation efficiency of the lengthening operation device. UTILITY MODEL CONTENTS

[0005] Therefore, the utility model provides a lengthening operation device to solve the problem of low installation efficiency of the lengthening operation device due to the separate structure of the sleeve and the transmission shaft of the sleeve lifting structure of the existing lengthening operation device, which makes installation difficult and the transmission shaft easy to separate from the valve stem.

[0006] In the first aspect, the utility model provides a lengthening operation device, which comprises:

[0007] A sleeve has a rotating cavity with two open ends and an extension section and two connecting sections forming the rotating cavity, and the two connecting sections are arranged at both ends of the extension section.

[0008] A transmission member has two clamping ends arranged oppositely, one clamping end is suitable for being inserted into the rotating cavity through one opening, and the other clamping end is suitable for being inserted into the rotating cavity through the other opening.

[0009] a connecting assembly, which is arranged between the transmission member and the connecting section when the transmission member is arranged in the rotating cavity, to rotatably connect the sleeve and the transmission member;

[0010] Any of the connecting sections is adapted to be connected with a valve body of a valve or the connecting section of another sleeve, and any of the engaging ends is adapted to be engaged with a valve stem of a valve or the engaging end of another transmission member.

[0011] Beneficial effects: The transmission member is rotatably arranged in the rotating cavity of the sleeve through the connecting assembly, so that the transmission member and the sleeve can be connected together. In this way, the positional relationship between the transmission member and the sleeve can be determined in advance, and when the extended operating device is installed on the valve, the sleeve and the transmission member can be connected with the valve body and the valve stem of the valve at the same time, thereby improving the installation efficiency of the extended operating device. Meanwhile, when the valve is used in a buried working condition, the sleeve can also separate the soil from the transmission member to avoid the interference of the soil with the rotation of the transmission member.

[0012] In an optional embodiment, an installation portion is formed on the inner wall of the cavity of at least one connecting section, and a connecting portion corresponding to the installation portion is formed on the outer peripheral wall of the transmission member, and the connecting assembly is arranged between the installation portion and the connecting portion.

[0013] Beneficial effects: The installation portion, which is an installation groove in this embodiment, and the connecting portion, which is a connecting groove in this embodiment, are formed on the inner wall of the cavity of the connecting section and the outer peripheral wall of the transmission member, respectively. The connecting portion is arranged corresponding to the installation portion, so that when the transmission member is installed in the rotating cavity, the connecting assembly can be arranged between the installation portion and the connecting portion, and the connecting assembly can rotatably fix the transmission member in the rotating cavity through the installation portion and the connecting portion.

[0014] In an optional embodiment, the connecting assembly comprises a bearing and at least two engaging members. The bearing is sleeved on the transmission member and arranged in the installation portion. The two engaging members are arranged on the side of the bearing close to the extending section, and the two engaging members are oppositely arranged on the transmission member. Part of any of the engaging members is arranged in the installation portion, and the other part is arranged in the connecting portion, so as to fix the transmission member.

[0015] Beneficial effects: by setting the connecting assembly including a bearing and two clamping pieces, the clamping pieces are split rings in this embodiment, wherein the bearing is sleeved on the transmission member, and the bearing is specifically sleeved on the connecting section of the transmission member, so that when the transmission member is inserted into the rotating cavity, the bearing can be inserted into the rotating cavity synchronously with the transmission member, and further installed in the mounting portion on the sleeve, so that the transmission member can rotate relative to the sleeve through the bearing, and the two clamping pieces are arranged on the transmission member relative to the ring on the side close to the extension section, and at the same time, when the transmission member is installed in place, each clamping piece has a part arranged in the mounting portion and another part arranged in the connecting portion, so that the two clamping pieces can fix the transmission member in the rotating cavity through the mounting portion and the connecting portion.

[0016] In an alternative embodiment, the connecting assembly further comprises a fixing member, the fixing member is sleeved on the transmission member and arranged on the side close to the extension section of the clamping piece, and the fixing member has a splicing portion to splice with the clamping piece through the splicing portion.

[0017] Beneficial effects: by setting the connecting assembly further comprising a fixing member, the fixing member is a snap ring in this embodiment, and the fixing member is specifically sleeved on the transmission member and arranged on the side close to the extension section of the clamping piece, so that the fixing member can fix the clamping piece between the mounting portion and the connecting portion, specifically, the fixing member is provided with a splicing portion, which is a splicing groove in this embodiment, when the fixing member is arranged on the side of the clamping piece, the fixing member can splice with the two clamping pieces through the splicing portion, so that the fixing member can fill the space in the mounting portion around the clamping piece through the splicing portion, and further fix the clamping piece.

[0018] In an alternative embodiment, the connecting assembly further comprises a plurality of adjusting members, any one of the adjusting members is adapted to be sleeved on the transmission member and arranged in the mounting portion, and the adjusting member is adapted to adjust the relative position of the connecting portion and the mounting portion.

[0019] Beneficial effects: by setting the connecting assembly further comprising a plurality of adjusting members, the adjusting members are adjusting washers in this embodiment, each adjusting member can be sleeved on the transmission member, and when the transmission member is inserted into the rotating cavity, the adjusting member can be arranged in the mounting portion, and since the adjusting member itself has a thickness and the position of the transmission member relative to the sleeve is determined by the clamping piece, after the adjusting member is installed in place, the adjusting member can adjust the position of the clamping piece in the mounting portion through its own thickness, so that the clamping piece can correspond to the position of the connecting portion on the transmission member, and further make the clamping piece arranged between the mounting portion and the connecting portion and fix the transmission member in the rotating cavity, so as to reduce the influence of the machining error of the transmission member and the sleeve in the machining process.

[0020] In an alternative embodiment, a cover pressing member is further included, which is adapted to be inserted into the mounting portion through the opening to seal the mounting portion.

[0021] Beneficial effects: By setting the cover pressing member between the transmission member and the sleeve, the cover pressing member in this embodiment is a cover pressing plate, which can be inserted into the mounting portion through the opening, so that the cover pressing member can completely seal the opening of the sleeve, thereby avoiding the connection assembly arranged in the mounting portion from falling out of the exposed opening to the rotating cavity.

[0022] In an alternative embodiment, an adapter is further included, which is adapted to be connected with the connection section, and the adapter has a through portion corresponding to the opening, and the through portion is provided with an additional mounting portion corresponding to the connection portion, and the connection assembly is adapted to be arranged between the additional mounting portion and the connection portion.

[0023] Beneficial effects: By the adapter connected with the connection section, the adapter in this embodiment is an adapter flange, which has a through portion corresponding to the opening on the sleeve, and the through portion in this embodiment is a through hole, and the through portion is provided with an additional mounting portion corresponding to the connection portion on the transmission member, and the additional mounting portion in this embodiment is an additional mounting groove, and the connection assembly can be arranged between the additional mounting portion and the connection portion, so that when one of the transmission member and the sleeve is connected with the other through the connection assembly, the transmission member can be connected with the other through the connection assembly and the adapter.

[0024] In an alternative embodiment, the adapter is provided with a first adapter portion, and the connection section is provided with a second adapter portion, and the adapter is adapted to be connected with the second adapter portion on the connection section through the first adapter portion.

[0025] Beneficial effects: By the first adapter portion provided on the adapter and the second adapter portion provided on the connection section, the first adapter portion and the second adapter portion in this embodiment are a first adapter hole and a second adapter hole respectively, so that when the adapter and the connection section are connected, the first adapter portion and the second adapter portion can be corresponded first, and then the adapter and the connection section can be connected together through the connecting components such as bolts passing through the first adapter portion and the second adapter portion.

[0026] In an alternative embodiment, the clamping end of the transmission member is a three-jaw structure.

[0027] Beneficial effects: By setting the clamping end of the transmission member as a three-jaw structure, the clamping end of the transmission member can be directly connected with the valve stem having a three-jaw structure at the end, and the clamping ends of the three-jaw structures can also be directly connected with each other, so as to improve the connection efficiency of the transmission member.

[0028] The utility model also provides a valve, including the lengthened operation device of above.

[0029] Beneficial effect: through lengthened operation device of installing to improve the operating position of valve rod, thereby facilitate the operator to operate. BRIEF DESCRIPTION OF DRAWINGS

[0030] In order to more clearly illustrate the specific embodiment of the utility model or the technical scheme in prior art, the following will briefly introduce the drawing needed to be used in the specific embodiment or prior art description, obviously, the drawing in the following description is some embodiments of the utility model, for ordinary skilled person in the art, under the premise of not paying creative labor, other drawings can also be obtained according to these drawings.

[0031] Figure 1 It is the structure explosion map of a lengthened operation device of the utility model embodiment;

[0032] Figure 2 It is the first cross section schematic view of a lengthened operation device of the utility model embodiment;

[0033] Figure 3 It is the second cross section schematic view of a lengthened operation device of the utility model embodiment.

[0034] BRIEF DESCRIPTION OF DRAWINGS

[0035] 1-sleeve;11-extended section;12-connection section;121-mounting portion;122-second adapter portion;

[0036] 2-transmission part;21-engaging end;22-connection portion;

[0037] 3-connection assembly;31-bearing;32-clamping piece;33-fixing piece;34-adjusting piece;

[0038] 4-covering piece;5-adapter piece;51-penetration portion;52-installing portion;53-first adapter portion. DETAILED DESCRIPTION

[0039] In order to make the purpose, technical scheme and advantage of the utility model embodiment more clearly, the following will combine the drawing in the utility model embodiment, and the technical scheme in the utility model embodiment is clearly and completely described, obviously, the described embodiment is a part of the embodiment of the utility model, rather than all the embodiment.Based on the embodiment in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the range of the utility model protection.

[0040] The following will combine Figures 1 to 3The embodiment of the utility model discloses.

[0041] According to the embodiment of the utility model, on one hand, a kind of lengthening operating device is provided, such as Figures 1 to 3 As shown in the figure, including sleeve 1, transmission part 2 and connecting component 3, sleeve 1 has the rotation cavity of two ends and forms the extension section 11 and two connecting sections 12 of rotation cavity, and two connecting sections 12 are respectively arranged at the both ends of extension section 11;Transmission part 2 has two clamping ends 21 arranged oppositely, one clamping end 21 is suitable for being inserted into rotation cavity through an opening, and is extended outside rotation cavity through another opening;When transmission part 2 is arranged in rotation cavity, connecting component 3 is arranged between transmission part 2 and connecting section 12, to rotate and connect sleeve 1 and transmission part 2;Wherein, any connecting section 12 is suitable for being connected with the valve body of valve or the connecting section 12 of another sleeve 1, and any clamping end 21 is suitable for being clamped with the valve stem of valve or the clamping end 21 of another transmission part 2.

[0042] The lengthening operating device of above structure, through the connecting component 3 arranged between sleeve 1 and transmission part 2, wherein, sleeve 1 has the rotation cavity of two ends and is arranged, so that rotation cavity can accommodate object through the two openings, and rotation cavity is formed by extension section 11 and two connecting sections 12 connected with each other, and two connecting sections 12 are respectively arranged at the both ends of extension section 11, and transmission part 2 has two clamping ends 21 arranged oppositely, and one of the clamping ends 21 can be inserted into rotation cavity through one of the openings on sleeve 1, and is extended outside rotation cavity from another opening, and when the clamping end 21 is extended outside rotation cavity from another opening, another clamping end 21 of transmission part 2 is also exposed outside rotation cavity, so that the two clamping ends 21 can be clamped with external device, and when transmission part 2 is arranged in rotation cavity, connecting component 3 can be arranged between transmission part 2 and connecting section 12 of sleeve 1, so that transmission part 2 and sleeve 1 are connected together by connecting component 3, and then transmission part 2 can rotate in rotation cavity under the action of external force.

[0043] In addition, each connecting section 12 of sleeve 1 can be connected with the valve body of valve, so that the valve body of valve is extended by sleeve 1, and the clamping end 21 of transmission part 2 rotatably installed in the rotation cavity of sleeve 1 can be clamped with valve stem rotatably arranged in valve body, so that valve stem can be lengthened by transmission part 2, so that the operation position of valve stem is lengthened, and then the staff can operate valve stem conveniently;Meanwhile, each connecting section 12 of sleeve 1 can also be connected with one of the connecting sections 12 on another sleeve 1, so that two sleeves 1 can be connected together, and then the clamping ends 21 of two transmission parts 2 rotatably arranged in the rotation cavities of two sleeves 1 can be clamped with each other, so that the operation position of valve stem can be further lengthened.

[0044] In summary, the transmission member 2 is arranged in the rotating cavity of the sleeve 1 through the connecting assembly 3, so that the transmission member 2 and the sleeve 1 can be connected together, thus the positional relationship between the transmission member 2 and the sleeve 1 can be determined in advance, and when the lengthened operating device is installed on the valve, the sleeve 1 and the transmission member 2 can be connected with the valve body and the valve stem of the valve at the same time, so that the installation efficiency of the lengthened operating device can be improved; at the same time, when the valve is used in the buried working condition, the sleeve 1 can also separate the soil from the transmission member 2, so as to avoid the interference of the soil with the rotation of the transmission member 2.

[0045] In one embodiment, as shown in Figure 2 and Figure 3 , the cavity inner wall surface of the connecting section 12 is provided with a mounting portion 121, the outer peripheral wall surface of the transmission member 2 is provided with a connecting portion 22 corresponding to the mounting portion 121, and the connecting assembly 3 is arranged between the mounting portion 121 and the connecting portion 22.

[0046] The lengthened operating device with the above structure, through the mounting portion 121 provided on the cavity inner wall surface of the connecting section 12 and the connecting portion 22 provided on the outer peripheral wall surface of the transmission member 2, the mounting portion 121 is a mounting groove in this embodiment, and the connecting portion 22 is a connecting groove in this embodiment, wherein the connecting portion 22 is arranged corresponding to the mounting portion 121, so that when the transmission member 2 is installed in the rotating cavity, the connecting assembly 3 can be arranged between the mounting portion 121 and the connecting portion 22, and then the connecting assembly 3 can rotate and fix the transmission member 2 in the rotating cavity through the mounting portion 121 and the connecting portion 22.

[0047] In one embodiment, as shown in Figure 2 and Figure 3 , the connecting assembly 3 includes a bearing 31 and at least two clamping members 32, the bearing 31 is sleeved on the transmission member 2 and arranged in the mounting portion 121, the two clamping members 32 are arranged on the side of the bearing 31 close to the extending section 11, and the two clamping members 32 are arranged on the transmission member 2 in opposite directions, part of any clamping member 32 is arranged in the mounting portion 121, and the other part is arranged in the connecting portion 22, so as to fix the transmission member 2.

[0048] The lengthened operating device with the above structure, by setting the connecting assembly 3 including the bearing 31 and the two clamping pieces 32, the clamping piece 32 is a split ring in the embodiment, wherein the bearing 31 is sleeved on the transmission member 2, and the bearing 31 is specifically sleeved on the connecting section 12 of the transmission member 2, so that when the transmission member 2 is inserted into the rotating cavity, the bearing 31 can be inserted into the rotating cavity synchronously with the transmission member 2, and further installed in the mounting portion 121 on the sleeve 1, so that the transmission member 2 can rotate relative to the sleeve 1 through the bearing 31, and the two clamping pieces 32 are arranged on the side of the bearing 31 close to the extending section 11, and the two clamping pieces 32 are arranged on the transmission member 2 relative to the ring, and when the transmission member 2 is installed in place, part of each clamping piece 32 is arranged in the mounting portion 121, and the other part is arranged in the connecting portion 22, so that the two clamping pieces 32 can fix the transmission member 2 in the rotating cavity through the mounting portion 121 and the connecting portion 22.

[0049] In one embodiment, as shown in Figure 2 and Figure 3 , the connecting assembly 3 further includes a fixing piece 33, the fixing piece 33 is sleeved on the transmission member 2 and arranged on the side of the clamping piece 32 close to the extending section 11, and the fixing piece 33 has a splicing portion to splice with the clamping piece 32 through the splicing portion.

[0050] The lengthened operating device with the above structure, by setting the connecting assembly 3 further including the fixing piece 33, the fixing piece 33 is a snap ring in the embodiment, and the fixing piece 33 is specifically sleeved on the transmission member 2 and arranged on the side of the clamping piece 32 close to the extending section 11, so that the fixing piece 33 can fix the clamping piece 32 between the mounting portion 121 and the connecting portion 22, specifically, the fixing piece 33 is provided with a splicing portion, which is a splicing groove in the embodiment, when the fixing piece 33 is arranged on the side of the clamping piece 32, the fixing piece 33 can splice with the two clamping pieces 32 through the splicing portion, so that the fixing piece 33 can fill the space in the mounting portion 121 around the clamping piece 32 through the splicing portion, and further fix the clamping piece 32.

[0051] In one embodiment, as shown in Figure 2 and Figure 3 , the connecting assembly 3 further includes a plurality of adjusting pieces 34, any adjusting piece 34 is adapted to be sleeved on the transmission member 2 and arranged in the mounting portion 121, and the adjusting piece 34 is adapted to adjust the relative position of the connecting portion 22 and the mounting portion 121.

[0052] The lengthened operating device with the above structure further comprises a plurality of adjusting pieces 34, which are adjusting washers in the embodiment, each of which is sleeved on the transmission piece 2 and arranged in the mounting portion 121 when the transmission piece 2 is inserted into the rotating cavity. Since the adjusting pieces 34 have a thickness and the position of the transmission piece 2 relative to the sleeve 1 is determined by the clamping piece 32, the position of the clamping piece 32 in the mounting portion 121 can be adjusted by the thickness of the adjusting pieces 34 after the adjusting pieces 34 are installed in place, so that the clamping piece 32 can correspond to the position of the connecting portion 22 on the transmission piece 2, and then the clamping piece 32 is arranged between the mounting portion 121 and the connecting portion 22 to fix the transmission piece 2 in the rotating cavity. Thus, the influence of the machining error of the transmission piece 2 and the sleeve 1 during machining can be reduced.

[0053] In one embodiment, as shown in Figure 2 and Figure 3 The lengthened operating device further comprises a cover pressing piece 4 which is adapted to be inserted into the mounting portion 121 through the opening to seal the mounting portion 121.

[0054] The lengthened operating device with the above structure further comprises a cover pressing piece 4 which is adapted to be inserted into the mounting portion 121 through the opening to seal the mounting portion 121.

[0055] In one embodiment, as shown in Figure 2 The lengthened operating device further comprises an adapter 5 which is adapted to be connected with a connecting section 12 and has a through portion 51 corresponding to the opening, and the through portion 51 is provided with an added portion 52 corresponding to the connecting portion 22, and the connecting assembly 3 is adapted to be arranged between the added portion 52 and the connecting portion 22.

[0056] The lengthened operating device with the above structure further comprises an adapter 5 which is adapted to be connected with a connecting section 12 and has a through portion 51 corresponding to the opening, and the through portion 51 is provided with an added portion 52 corresponding to the connecting portion 22, and the connecting assembly 3 is adapted to be arranged between the added portion 52 and the connecting portion 22.

[0057] Specifically, when the transmission member 2 is rotationally connected with one of the connecting segments 12 of the sleeve 1 through the connecting assembly 3, the connecting assembly 3 cannot be installed between the transmission member 2 and the other connecting segment 12 of the sleeve 1, therefore, the adapter 5 is connected with the other connecting segment 12 of the sleeve 1, and the through portion 51 and the added portion 52 are formed on the adapter 5, so that the connecting assembly 3 can be arranged between the transmission member 2 and the adapter 5, thus, the rotation connection between the transmission member 2 and the two connecting segments 12 of the sleeve 1 can be realized.

[0058] In addition, without using the adapter 5, the partial connecting assembly 3 can be sleeved on the transmission member 2, and the end of the transmission member 2 sleeved with the partial connecting assembly 3 is inserted into the rotation cavity, so that the partial connecting assembly 3 is installed in the mounting portion 121 of one of the connecting segments 12 of the sleeve 1, and the end of the transmission member 2 without the partial connecting assembly 3 can continue to install the connecting assembly 3, thus, the rotation connection between the transmission member 2 and the two connecting segments 12 of the sleeve 1 can also be realized.

[0059] In one embodiment, as shown in Figure 3 The adapter 5 is adapted to be connected with the connecting segment 12 through the first adapter portion 53 and the second adapter portion 122.

[0060] The lengthened operation device has the first adapter portion 53 formed on the adapter 5 and the second adapter portion 122 formed on the connecting segment 12, and the first adapter portion 53 and the second adapter portion 122 are respectively the first adapter hole and the second adapter hole in the embodiment, so that when the adapter 5 and the connecting segment 12 are connected, the first adapter portion 53 and the second adapter portion 122 are corresponded first, and then the adapter 5 and the connecting segment 12 are connected through the connecting portion 22 such as a bolt.

[0061] In one embodiment, as shown in Figures 1 to 3 The clamping end 21 of the transmission member 2 is a three-jaw structure.

[0062] The lengthened operation device has the clamping end 21 of the transmission member 2 in a three-jaw structure, so that the clamping end 21 of the transmission member 2 can be directly connected with the valve rod with an end in a three-jaw structure, and the clamping ends 21 in the three-jaw structure can be directly connected with each other, so that the connection efficiency of the transmission member 2 is improved.

[0063] According to the embodiment of the utility model, on the other hand, a valve is also provided, as shown in Figures 1 to 3 Figures 1 to 3 Figures 1 to 3The valve with the above structure can improve the operating position of the valve rod through the added lengthening operating device, thereby facilitating the operator to operate.

[0064] Although the embodiments of the present application are described in conjunction with the drawings, various modifications and changes can be made by those skilled in the art without departing from the spirit and scope of the present application, and such modifications and changes fall within the scope defined by the appended claims.

Claims

1. An extended operating device, characterized in that, include: A sleeve (1) having a rotating cavity with openings at both ends, an extension section (11) forming the rotating cavity, and two connecting sections (12), the two connecting sections (12) being respectively disposed at both ends of the extension section (11); The transmission component (2) has two engaging ends (21) arranged opposite to each other. One engaging end (21) is adapted to be inserted into the rotating cavity through one opening and to extend out of the rotating cavity through the other opening. The connecting assembly (3) is disposed between the transmission member (2) and the connecting section (12) when the transmission member (2) is disposed in the rotating cavity, so as to rotatably connect the sleeve (1) and the transmission member (2); Wherein, any of the connecting segments (12) is adapted to be connected to the valve body of the valve or the connecting segment (12) of another sleeve (1), and any of the engaging ends (21) is adapted to engage with the valve stem of the valve or the engaging end (21) of another transmission member (2).

2. The extended operating device according to claim 1, characterized in that, At least one of the connecting segments (12) has an installation portion (121) on its inner wall surface, and the transmission member (2) has a connecting portion (22) on its outer peripheral wall surface that corresponds to the installation portion (121). The connecting assembly (3) is disposed between the installation portion (121) and the connecting portion (22).

3. The extended operating device according to claim 2, characterized in that, The connecting assembly (3) includes a bearing (31) and at least two engaging members (32). The bearing (31) is sleeved on the transmission member (2) and disposed within the mounting portion (121). Both engaging members (32) are disposed on the side of the bearing (31) near the extension section (11) and are arranged in a ring around the transmission member (2). Part of each engaging member (32) is disposed within the mounting portion (121), and the other part is disposed within the connecting portion (22) to fix the transmission member (2).

4. The extended operating device according to claim 3, characterized in that, The connecting component (3) further includes a fixing member (33), which is sleeved on the transmission member (2) and disposed on the side of the engaging member (32) near the extension section (11). The fixing member (33) has a splicing part to splice with the engaging member (32) through the splicing part.

5. The extended operating device according to claim 4, characterized in that, The connecting component (3) further includes several adjusting members (34), any one of which is adapted to be sleeved on the transmission member (2) and disposed in the mounting part (121), and the adjusting member (34) is adapted to adjust the relative position of the connecting part (22) and the mounting part (121).

6. The extended operating device according to claim 5, characterized in that, It also includes a cover (4) adapted to be inserted into the mounting portion (121) through the opening to seal the mounting portion (121).

7. The extended operating device according to any one of claims 2-6, characterized in that, It also includes an adapter (5) adapted to be connected to a connecting segment (12), and the adapter (5) has a through portion (51) corresponding to the opening, and an mounting portion (52) corresponding to the connecting portion (22) is provided in the through portion (51), and the connecting component (3) is adapted to be disposed between the mounting portion (52) and the connecting portion (22).

8. The extended operating device according to claim 7, characterized in that, The adapter (5) has a first adapter portion (53) and the connecting section (12) has a second adapter portion (122). The adapter (5) is adapted to connect with the second adapter portion (122) on the connecting section (12) through the first adapter portion (53).

9. The extended operating device according to claim 8, characterized in that, The engaging end (21) of the transmission component (2) has a three-jaw structure.

10. A valve, characterized in that, Includes the extended operating device as described in any one of claims 1-9.

Images