Jig and valve rod assembly mounting equipment

Abstract

The utility model discloses a jig and valve rod assembly installation equipment, a jig body of the jig is provided with a first seat used for bearing a valve rod piece and a second seat used for bearing a valve bottom cup assembly, and the first seat and the second seat are arranged left and right; the first seat is provided with a first bearing face and four limiting blocks, the four limiting blocks are arranged on the front side, the rear side, the left side and the right side of the first bearing face respectively, a first gap is formed between the two limiting blocks on the front side and the left side, and when the valve rod piece is borne on the first seat, the valve rod piece is borne on the first bearing face and located among the four limiting blocks. The insertion hole of the valve rod piece is exposed leftwards through the first gap; the second seat is provided with a second bearing surface, the second bearing surface is concavely provided with a first notch and a second notch which are arranged front and back, when the valve bottom cup assembly is borne on the second seat, the valve bottom cup assembly is borne on the second bearing surface and penetrates through the second notch, an air outlet pipe of the valve bottom cup assembly is inserted into the first notch, and an opening of an inner cavity of the valve bottom cup assembly faces upwards.

Description

Technical Field

[0001] The utility model relates to the technical field of gas pressure reducing valve production, in particular to a jig and valve stem assembly installation equipment. Background Art

[0002] A gas pressure reducing valve, comprising a valve bottom cup assembly and a valve stem assembly rotatably connected to the inner cavity of the valve bottom cup assembly, wherein the valve stem assembly can close the inner cavity of the valve bottom cup assembly and the air inlet of the air inlet pipe, so as to cut off the gas from entering the inner cavity of the valve bottom cup assembly. Figure 4 The valve stem assembly includes a valve stem member, a rubber member and a rotating shaft member. The valve stem member is extended in the front-to-back direction. The rubber member is inserted into the slot on the top side of the front end of the valve stem member. The rotating shaft member is passed through the socket at the front end of the valve stem member (the socket is extended in the left-right direction).

[0003] In the existing technology, the installation of traditional valve stem assemblies requires manual steps to assemble the valve stem assembly and install the assembled valve stem assembly on the valve bottom cup assembly. To change this manual installation method, the inventors wanted to design a device that can automatically assemble the valve stem assembly and automatically install the assembled valve stem assembly on the valve bottom cup assembly. During the design process of this device, the inventors first needed to design a fixture that could accommodate both the valve stem (to facilitate the installation of the rubber pellet and the rotating shaft on the valve stem to complete the assembly of the valve stem assembly) and the valve bottom cup assembly (to facilitate the direct transfer of the assembled valve stem assembly to the valve bottom cup assembly). Utility Model Content

[0004] The present invention aims to solve at least one of the technical problems in the prior art. To this end, the present invention provides a fixture.

[0005] The utility model also provides a valve stem assembly installation device having the jig.

[0006] According to a first aspect of the present invention, a jig is provided with an embodiment of the present invention, comprising a jig body, the jig body being provided with a first seat for supporting a valve stem member and a second seat for supporting a valve bottom cup assembly, the first seat and the second seat being arranged left and right, wherein the first seat is provided with a first supporting surface and four limit blocks, the four limit blocks being arranged on the front, back, left and right sides of the first supporting surface, a first gap being provided between the two limit blocks on the front and left sides, when the valve stem member is supported on the first seat, the valve stem member is supported on the first supporting surface and is located between the four limit blocks, the notch of the slot of the valve stem member is set upward, and the insertion hole of the valve stem member is exposed to the left through the first gap, the second seat being provided with a second supporting surface, the second supporting surface being concave with a first notch and a second notch set front and back, when the valve bottom cup assembly is supported on the second seat, the valve bottom cup assembly is supported on the second supporting surface and passed through the second notch, the air outlet pipe of the valve bottom cup assembly is inserted in the first notch, and the inner cavity opening of the valve bottom cup assembly is set upward.

[0007] A jig according to an embodiment of the present invention has at least one of the following beneficial effects:

[0008] Through the above structure, on the one hand, when the valve stem member is placed on the jig of the present application, that is, when the valve stem member is placed on the first seat, the notch of the slot of the valve stem member is set upward to facilitate the insertion of the rubber particle member from top to bottom, and the insertion hole of the valve stem member is exposed to the left through the first gap to facilitate the insertion of the rotating shaft member from left to right. Therefore, the jig of the present application can hold the valve stem member to facilitate the installation of the rubber particle member and the rotating shaft member on the valve stem member to complete the assembly of the valve stem assembly; on the other hand, when the valve bottom cup assembly is placed on the jig of the present application, that is, when the valve bottom cup assembly is placed on the second seat, the inner cavity opening of the valve bottom cup assembly is set upward to facilitate the direct movement and installation of the assembled valve stem assembly on the first seat to the inner cavity of the valve bottom cup assembly. Therefore, the jig of the present application can hold the valve bottom cup assembly to facilitate the direct movement and installation of the assembled valve stem assembly to the inner cavity of the valve bottom cup assembly.

[0009] According to some embodiments of the present invention, a second gap is provided between the two limit blocks on the rear and left sides and between the two limit blocks on the rear and right sides, and the two second gaps are used to provide space to avoid external clamps.

[0010] According to some embodiments of the present invention, the first seat is provided with an abutment block, which is located on the right side of the first supporting surface and between the two limiting blocks on the front and right sides, and is used to abut against the rotating shaft.

[0011] According to some embodiments of the present invention, the first receiving surface is provided with a first positioning block, wherein when the valve stem is received in the first seat, the first positioning block passes through a through hole at the bottom of the slot of the valve stem.

[0012] According to some embodiments of the present invention, the first receiving surface is provided with a second positioning block, wherein when the valve stem is received in the first seat, the second positioning block is passed through the connecting hole at the rear end of the valve stem.

[0013] According to some embodiments of the present invention, the fixture body is provided with a supporting block located at the rear side of the second seat.

[0014] According to some embodiments of the present invention, the first seat and the supporting block are both detachably mounted on the fixture body.

[0015] According to the second embodiment of the present invention, the valve stem assembly installation device includes the jig as described above.

[0016] The valve stem assembly installation device according to the embodiment of the present invention has at least the following beneficial effects: through the above structure, the valve stem assembly installation device only needs to set the jig of the present application and the conveying mechanism connected thereto, and can cooperate with other mechanisms on the equipment to complete the assembly of the valve stem assembly and install the assembled valve stem assembly on the valve bottom cup assembly.

[0017] Additional aspects and advantages of the present invention will be given in part in the following description and will become apparent from the following description or learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The above and / or additional aspects and advantages of the present invention will become apparent and readily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0019] Figure 1 This is a structural diagram of an embodiment of the fixture of the present utility model;

[0020] Figure 2 for Figure 1 A structural diagram of the fixture shown in FIG after being equipped with a valve stem assembly and a first valve bottom cup assembly;

[0021] Figure 3 for Figure 1 The structure diagram of the fixture shown in FIG after the valve stem assembly and the second valve bottom cup assembly are installed;

[0022] Figure 4 This is an exploded view of the valve stem assembly;

[0023] Figure 5 for Figure 4 The structure diagram of the valve stem assembly after being installed in the first valve bottom cup assembly;

[0024] Figure 6 for Figure 4 The structural diagram of the valve stem assembly after being installed in the second valve bottom cup assembly is shown in FIG.

[0025] Reference numerals:

[0026] A first seat 100, a first receiving surface 110, a first positioning block 111, a second positioning block 112, a limiting block 120, a first gap 130, a second gap 140, and an abutting block 150;

[0027] The second seat 200, the second receiving surface 210, the first notch 211, and the second notch 212;

[0028] Support block 300;

[0029] Valve bottom cup assembly 400, air outlet pipe 410, inner cavity opening 420, hand wheel 430, cup body portion 440;

[0030] The valve stem 510 , the slot 511 , the through hole 511A, the insertion hole 512 , the connecting hole 513 , the rubber particle 520 , and the rotating shaft 530 . DETAILED DESCRIPTION

[0031] This section will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and overall technical solution of the present invention, but it cannot be understood as a limitation on the scope of protection of the present invention.

[0032] In the description of this utility model, if there are descriptions of first, second, third, fourth, fifth, etc., they are only used to distinguish the technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0033] In the description of the present invention, it should be understood that descriptions involving orientations, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present invention.

[0034] In this utility model, unless otherwise expressly defined, terms such as "disposed," "installed," and "connected" should be interpreted broadly. For example, they may refer to direct connection or indirect connection through an intermediate medium; fixed connection or detachable connection or integral molding; mechanical connection; internal communication between two components or interaction between two components. Those skilled in the art can reasonably determine the specific meanings of these terms in this utility model based on the specific content of the technical solution.

[0035] Reference Figures 1 to 3 The embodiment of the present invention provides a fixture, which includes a fixture body. The fixture body is provided with a first seat 100 for accommodating a valve stem 510 and a second seat 200 for accommodating a valve bottom cup assembly 400. The first seat 100 and the second seat 200 are arranged left and right.

[0036] The first seat 100 is provided with a first receiving surface 110 and four limit blocks 120. The four limit blocks 120 are respectively arranged on the front, back, left and right sides of the first receiving surface 110. A first gap 130 is provided between the two limit blocks 120 on the front and left sides. When the valve stem member 510 is placed on the first seat 100, the valve stem member 510 is supported on the first receiving surface 110 and is located between the four limit blocks 120. The notch of the slot 511 of the valve stem member 510 is set upward, and the insertion hole 512 of the valve stem member 510 is exposed to the left through the first gap 130.

[0037] The second seat 200 is provided with a second receiving surface 210, and the second receiving surface 210 is recessed with a first notch 211 and a second notch 212 arranged front and back. When the valve bottom cup assembly 400 is placed on the second seat 200, the valve bottom cup assembly 400 is supported on the second receiving surface 210 and passed through the second notch 212. The air outlet pipe 410 of the valve bottom cup assembly 400 is inserted into the first notch 211, and the inner cavity opening 420 of the valve bottom cup assembly 400 is arranged upward.

[0038] It is understood that there are two types of valve bottom cup assemblies 400 on the market, see Figure 5 and Figure 6 The two valve bottom cup assemblies 400 are named as the first valve bottom cup assembly and the second valve bottom cup assembly. When the first valve bottom cup assembly is placed on the second seat 200, refer to Figure 2 The cup body portion 440 of the first valve bottom cup assembly is supported on the second receiving surface 210, and the cup body portion 440 is provided in the second notch 212. The hand wheel member 430 of the first valve bottom cup assembly is located at the rear side of the second seat 200. When the second valve bottom cup assembly is placed on the second seat 200, refer to Figure 3 The cup body portion 440 of the second valve bottom cup assembly is supported on the second receiving surface 210 , and the cup body portion 440 and the hand wheel component 430 are both inserted into the second notch 212 .

[0039] Through the above structure, on the one hand, when the valve stem 510 is placed on the jig of the present application, that is, when the valve stem 510 is placed on the first seat 100, the notch of the slot 511 of the valve stem 510 is set upward to facilitate the insertion of the rubber particle 520 from top to bottom, and the insertion hole 512 of the valve stem 510 is exposed to the left through the first gap 130 to facilitate the insertion of the shaft 530 from left to right. Therefore, the jig of the present application can accommodate the valve stem 510 so as to facilitate the installation of the rubber particle 520 and the shaft 530 on the valve stem 510. 10, to complete the assembly of the valve stem assembly; on the other hand, when the valve bottom cup assembly 400 is placed on the jig of the present application, that is, when the valve bottom cup assembly 400 is placed on the second seat 200, the inner cavity opening 420 of the valve bottom cup assembly 400 is set upward, so that the assembled valve stem assembly on the first seat 100 can be directly moved and installed in the inner cavity of the valve bottom cup assembly. Therefore, the jig of the present application can hold the valve bottom cup assembly 400 so as to directly move the assembled valve stem assembly to the inner cavity of the valve bottom cup assembly 400.

[0040] In this embodiment, referring to Figures 1 to 3 A second gap 140 is provided between the two limit blocks 120 on the rear side and the left side, and between the two limit blocks 120 on the rear side and the right side. The two second gaps 140 are used to provide space to avoid the external clamp from placing the valve stem 510 on the first seat 100.

[0041] In this embodiment, referring to Figures 1 to 3 The first seat 100 is provided with an abutment block 150 , which is located on the right side of the first receiving surface 110 and between the two limiting blocks 120 on the front and right sides. The abutment block 150 is used to abut against the rotating shaft 530 .

[0042] With the above structure, when the shaft 530 is inserted from left to right into the insertion hole 512 of the valve stem 510 on the first seat 100 through the first gap 130, the abutment block 150 abuts against the right end of the shaft 530 to ensure that the shaft 530 is inserted into the preset position.

[0043] In order to improve the accuracy of the position of the valve stem 510 when it is installed in the first seat 100, refer to Figures 1 to 3 The first receiving surface 110 is provided with a first positioning block 111 , wherein when the valve stem 510 is received in the first seat 100 , the first positioning block 111 passes through a through hole 511A at the bottom of the slot 511 of the valve stem 510 .

[0044] In order to further improve the accuracy of the position of the valve stem 510 when it is installed in the first seat 100, refer to Figures 1 to 3 The first receiving surface 110 is provided with a second positioning block 112 , wherein when the valve stem 510 is received in the first seat 100 , the second positioning block 112 is passed through the connecting hole 513 at the rear end of the valve stem 510 .

[0045] In this embodiment, referring to Figure 2 The fixture body is provided with a supporting block 300 located at the rear side of the second seat 200.

[0046] Through the above structure, the supporting block 300 is used to support the hand wheel component 430 of the first valve bottom cup assembly, so as to improve the stability of the first valve bottom cup assembly when it is installed on the second seat 200.

[0047] In this embodiment, referring to Figure 1 The first seat 100 and the supporting block 300 are both detachably mounted on the fixture body by screwing.

[0048] Through the above structure, the first seat 100 and the supporting block 300 are detachably connected to the fixture body, so as to facilitate the later disassembly and maintenance of the first seat 100 and the supporting block 300.

[0049] The present invention also provides a valve stem assembly installation device, which includes the aforementioned jig. With the aforementioned structure, the valve stem assembly installation device only needs to be equipped with the jig and a conveying mechanism connected thereto, and can cooperate with other mechanisms on the device to complete the assembly of the valve stem assembly and the installation of the assembled valve stem assembly on the valve base cup assembly.

[0050] Of course, the present invention is not limited to the above-mentioned embodiments. Those skilled in the art may make equivalent modifications or substitutions without violating the spirit of the present invention. These equivalent modifications and substitutions are all included in the scope defined by the claims of this application.

Claims

1. A fixture, characterized in that: The jig body comprises a first seat (100) for receiving a valve stem (510) and a second seat (200) for receiving a valve bottom cup assembly (400), wherein the first seat (100) and the second seat (200) are arranged on the left and right, wherein: The first seat (100) is provided with a first receiving surface (110) and four limiting blocks (120), the four limiting blocks (120) being respectively arranged on the front, back, left and right sides of the first receiving surface (110), a first gap (130) being arranged between the two limiting blocks (120) on the front and left sides, when the valve stem (510) is received on the first seat (100), the valve stem (510) is supported on the first receiving surface (110) and is located between the four limiting blocks (120), the notch of the slot (511) of the valve stem (510) is arranged upward, and the insertion hole (512) of the valve stem (510) is exposed to the left through the first gap (130), The second seat (200) is provided with a second receiving surface (210), and the second receiving surface (210) is recessed with a first notch (211) and a second notch (212) arranged front and back. When the valve bottom cup assembly (400) is placed on the second seat (200), the valve bottom cup assembly (400) is supported on the second receiving surface (210) and is passed through the second notch (212). The air outlet pipe (410) of the valve bottom cup assembly (400) is inserted into the first notch (211), and the inner cavity opening (420) of the valve bottom cup assembly (400) is arranged upward.

2. A jig according to claim 1, characterized in that: A second gap (140) is provided between the two limit blocks (120) on the rear side and the left side, and between the two limit blocks (120) on the rear side and the right side. The two second gaps (140) are used to provide space to avoid external clamps.

3. The fixture according to claim 1, characterized in that: The first seat (100) is provided with an abutment block (150), the abutment block (150) is located on the right side of the first supporting surface (110), and is located between the two limiting blocks (120) on the front side and the right side, and the abutment block (150) is used to abut against the rotating shaft (530).

4. The fixture according to claim 1, characterized in that: The first receiving surface (110) is provided with a first positioning block (111), wherein, when the valve stem (510) is received in the first seat (100), the first positioning block (111) passes through a through hole (511A) at the bottom of the slot (511) of the valve stem (510).

5. The fixture according to claim 1, characterized in that: The first receiving surface (110) is provided with a second positioning block (112), wherein when the valve stem (510) is received on the first seat (100), the second positioning block (112) is passed through a connecting hole (513) at the rear end of the valve stem (510).

6. The fixture according to claim 1, characterized in that: The fixture body is provided with a supporting block (300) located at the rear side of the second seat (200).

7. A jig according to claim 6, characterized in that: The first seat (100) and the supporting block (300) are both detachably arranged on the fixture body.

8. Valve stem assembly installation equipment, characterized by: The invention comprises a jig as claimed in any one of claims 1 to 7.

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