Fixed clamping seat and electrical equipment

Abstract

The utility model relates to a fixed clamping seat and electrical equipment, the fixed clamping seat comprises a base, a moving seat and an adjusting mechanism, the base is provided with a first positioning part, and the first positioning part is used for being matched with a first end of a to-be-fixed part; a second positioning part is arranged on the moving seat, the second positioning part is used for being matched with the second end of the to-be-fixed piece, and the second positioning part is movably arranged on the moving seat in the direction close to or away from the first positioning part; the adjusting mechanism comprises an extending piece, a matching piece and a locking piece, the extending piece is arranged on the base, the matching piece is arranged on the moving seat and movably matched with the extending piece in the moving direction of the second positioning part, and the locking piece is used for limiting and fixing the matching piece to the extending piece. According to the fixing clamping base, a compatible installation structure for clamping rails with different width specifications can be achieved, and the problems that according to an existing scheme, installation is difficult, and the utilization rate is low can be solved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of industrial equipment installation, and in particular to a fixed clamping seat and electrical equipment. BACKGROUND

[0002] Currently, the common installation method for small industrial equipment is clamping rail fixing. The equipment will be equipped with a fixed clamping seat of a corresponding width specification according to different clamping rail widths. However, if the specification of the clamping rail on site changes, the fixed clamping seat of the corresponding specification needs to be replaced, otherwise the equipment cannot be installed normally. In order to solve this problem, multiple fixed clamping seats of different specifications are usually provided on site to meet the needs of matching different clamping rails, but this will result in a large number of accessories, storage difficulties, and the risk of loss, as well as high transportation and manufacturing costs. CONTENT OF THE UTILITY MODEL

[0003] The purpose of the present application is to provide a fixed clamping seat and electrical equipment, which can realize a compatible installation structure for clamping rails of different width specifications, and can solve the problems of installation difficulty and low utilization rate of the prior art.

[0004] To this end, in a first aspect, the embodiments of the present application provide a fixed clamping seat, comprising:

[0005] a base, a first positioning portion is arranged on the base, and the first positioning portion is used for cooperating with a first end of a to-be-fixed member;

[0006] a moving seat, a second positioning portion is arranged on the moving seat, and the second positioning portion is used for cooperating with a second end of the to-be-fixed member, and the second positioning portion is movably arranged on the moving seat in a direction close to or away from the first positioning portion; and

[0007] an adjusting mechanism, comprising an extension member, a cooperating member, and a locking member, the extension member is arranged on the base, the cooperating member is arranged on the moving seat and movably cooperates with the extension member in a movement direction of the second positioning portion, and the locking member is used for limiting and fixing the cooperating member on the extension member.

[0008] In a possible implementation manner, the extension member comprises an extension base arranged in the movement direction of the second positioning portion, and an extension rack is arranged on the extension base; the cooperating member comprises an extension tooth block engaged with the extension rack.

[0009] In a possible implementation manner, the locking member comprises a locking pull rod and a locking elastic return member, the locking pull rod penetrates through the moving seat in a direction perpendicular to the extension direction of the extension rack, and the two ends of the locking elastic return member are connected with the locking pull rod and the extension tooth block, respectively.

[0010] In a possible implementation, the guiding mechanism comprises a first guiding member and a second guiding member in guiding cooperation, one of the first guiding member and the second guiding member is arranged on the base, and the other is arranged on the moving seat.

[0011] In a possible implementation, the first guiding member is a first inner groove formed on the extension member, the second guiding member is a second inner groove formed on the moving seat, the first inner groove and the second inner groove are arranged in position and fit together to form a guiding channel, and a guiding bead is arranged in the guiding channel.

[0012] In a possible implementation, the guiding mechanism is provided in two groups, two first guiding members of the two groups of guiding mechanisms are arranged on opposite sides of the extension member respectively, the moving seat is provided with a through hole along the extension direction of the extension member, the extension member is embedded in the through hole, and two second guiding members of the two groups of guiding mechanisms are arranged on opposite side walls of the through hole respectively.

[0013] In a possible implementation, the moving mechanism comprises a moving top rod and a moving elastic return member, the moving seat is provided with a moving groove along the movement direction of the second positioning part, and an opening of the moving groove faces the first positioning part.

[0014] The moving elastic return member is arranged in the moving groove, the moving top rod penetrates the opening and has one end connected to the moving elastic return member, and the other end of the moving top rod is connected to the second positioning part.

[0015] In a possible implementation, the moving mechanism further comprises a limiting member, a limiting end of the limiting member is located in the moving groove and movably cooperates with the moving seat to adjust the distance between the limiting end and the groove bottom of the moving groove, and the limiting end is arranged in position with the moving top rod.

[0016] In a possible implementation, the moving mechanism further comprises a guiding pin rod penetrating the moving seat along the movement direction of the second positioning part, and one end of the guiding pin rod is connected to the second positioning part.

[0017] In a second aspect, an electronic device is provided, which comprises a main body and a fixing seat as described in the first aspect, and the fixing seat is detachably arranged on the main body.

[0018] According to the fixing base and the electrical equipment provided in the embodiments of the present application, when the fixing base needs to be assembled and fixed, first, the position of the fitting part on the extension part is adjusted according to the size of the to-be-fixed part, and then the locking part is fixed. Since the moving seat is connected with the fitting part and the base is connected with the extension part, the distance between the second positioning part on the moving seat and the first positioning part on the base is adjusted when the fitting part is adjusted. Then, the first end of the to-be-fixed part is matched with the first positioning part, and then the second positioning part is moved towards the direction away from the first positioning part, the second end of the to-be-fixed part is placed at the position opposite to the second positioning part, and then the second positioning part is restored to the original position, the second positioning part is matched with the second end of the to-be-fixed part, so that the to-be-fixed part is assembled on the fixing base.

[0019] The fixing base provided in the embodiments of the present application has simple structure, is easy to process, light in weight, strong in compatibility, convenient to install, can be compatible with fixing structures of different width specifications of the rail, and can solve the problems of difficulty in installation and low utilization rate of the existing solutions. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor. In addition, the same components are marked with the same reference numerals in the drawings, and the drawings are not drawn according to the actual proportion.

[0021] Figure 1 A perspective view of a fixing base provided in the embodiments of the present application is shown;

[0022] Figure 2 A front view of the fixing base shown is shown; Figure 1

[0023] A side view of the fixing base shown is shown; Figure 3 Figure 1 A top view of the fixing base shown is shown;

[0024] Figure 4 Figure 1 An exploded view of the fixing base provided in the embodiments of the present application is shown;

[0025] Figure 5 A perspective view of a moving seat in the fixing base provided in the embodiments of the present application is shown;

[0026] Figure 6 A perspective view of a moving seat in the fixing base provided in the embodiments of the present application is shown;

[0027] Figure 7 A perspective view of a moving seat in the fixing base provided in the embodiments of the present application is shown; Figure 6 ​​An exploded view of the mobile seat shown;

[0028] Figure 8 A perspective view showing a fixed seat cooperating with a part to be fixed according to an embodiment of the present application;

[0029] Figure 9 A perspective view showing Figure 8 A side view of the fixed seat shown.

[0030] Legend of reference signs:

[0031] 1, base; 11, first positioning part;

[0032] 2, mobile seat; 21, second positioning part;

[0033] 3, adjusting mechanism;

[0034] 31, extension; 311, extension base; 312, extension rack;

[0035] 32, cooperating part;

[0036] 33, locking part; 331, locking pull rod; 332, locking elastic return part;

[0037] 4, part to be fixed; 41, first end; 42, second end;

[0038] 5, fastening screw;

[0039] 6, positioning assembly; 61, positioning groove; 62, positioning block;

[0040] 7, guiding mechanism; 71, first guiding part; 72, second guiding part; 73, guiding bead;

[0041] 8, mobile mechanism; 81, mobile top rod; 82, mobile elastic return part; 83, limiting part; 84, guiding pin rod. DETAILED DESCRIPTION

[0042] To make the objectives, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described below in connection with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of protection of the present application.

[0043] First embodiment

[0044] As Figures 1-9As shown, the embodiment of the present application provides a fixing bracket, which comprises a base 1, a moving seat 2 and an adjusting mechanism 3. The base 1 is provided with a first positioning part 11, which is used for cooperating with a first end 41 of a to-be-fixed part 4. The moving seat 2 is provided with a second positioning part 21, which is used for cooperating with a second end 42 of the to-be-fixed part 4. The second positioning part 21 is movably arranged on the moving seat 2 in a direction close to or away from the first positioning part 11. The adjusting mechanism 3 comprises an extending part 31, a cooperating part 32 and a locking part 33. The extending part 31 is arranged on the base 1. The cooperating part 32 is arranged on the moving seat 2 and movably cooperates with the extending part 31 in the movement direction of the second positioning part 21. The locking part 33 is used for limiting and fixing the cooperating part 32 on the extending part 31.

[0045] When the to-be-fixed part 4 needs to be assembled and fixed, first, the position of the cooperating part 32 on the extending part 31 is adjusted according to the size of the to-be-fixed part 4, and then the locking part 33 is fixed. Since the moving seat 2 is connected with the cooperating part 32 and the base 1 is connected with the extending part 31, the distance between the second positioning part 21 on the moving seat 2 and the first positioning part 11 on the base 1 is adjusted at the same time when the cooperating part 32 is adjusted. Then, the first end 41 of the to-be-fixed part 4 is matched with the first positioning part 11, and then the second positioning part 21 is moved away from the first positioning part 11. The second end 42 of the to-be-fixed part 4 is placed at a position opposite to the second positioning part 21, and then the second positioning part 21 is restored to the original position. The second positioning part 21 cooperates with the second end 42 of the to-be-fixed part 4, so that the to-be-fixed part 4 is assembled on the fixing bracket.

[0046] It should be noted that the to-be-fixed part 4 can be any part that needs to be fixed and assembled on the fixing bracket. In the embodiment, the to-be-fixed part 4 is taken as a rail for example. Of course, in different application scenarios, the to-be-fixed part 4 can also be a server accessory, such as a panel.

[0047] It can be known that the specific structure of the first positioning part 11 and the second positioning part 21 is not limited in the present application, which can be adjusted adaptively according to the structure of the first end 41 and the second end 42 of the to-be-fixed part 4 matched therewith. Of course, the structures of the first positioning part 11 and the second positioning part 21 can be the same or different. For example, the first positioning part 11 and the second positioning part 21 are both clamping parts, thereby clamping and matching the first end 41 and the second end 42 of the to-be-fixed part 4. Or, when the first end 41 and the second end 42 are in a protruding block structure, the first positioning part 11 and the second positioning part 21 are both in a recess structure, and the fixing is realized by the embedding cooperation of the protruding block structure and the recess structure. Similarly, when one of the first end 41 and the second end 42 is in a recess structure or a protruding block structure, one of the first positioning part 11 and the second positioning part 21 is in a protruding block structure or a recess structure.

[0048] In the embodiment of the present application, the to-be-fixed part 4 is a clamping rail, and the clamping rail is in a U-shaped structure as a whole. The two ends of the clamping rail are the first end 41 and the second end 42 of the clamping rail, respectively. Correspondingly, the first positioning part 11 and the second positioning part 21 are both in a recess structure with a shape matched with the end part of the clamping rail.

[0049] Referring to Figures 1 to 3 , the cooperating part 32 is movably matched with the extending part 31 along the movement direction of the second positioning part 21, including but not limited to the cooperating part 32 and the extending part 31 adopting structures such as a slider and a slide rail matched with each other, a gear and a rack matched with each other, or a rack and a tooth matched with each other.

[0050] In some embodiments, the extending part 31 includes an extending base 311 arranged to extend along the movement direction of the second positioning part 21, and the extending base 311 is provided with an extending rack 312; the cooperating part 32 includes an extending tooth block engaged with the extending rack 312. By engaging the extending tooth block with different positions of the extending rack 312, the relative position of the moving seat 2 on the base 1 is adjusted, and then the distance between the first positioning part 11 and the second positioning part 21 is adjusted to adapt to clamping rails of different widths.

[0051] The extension member 31 can be integrally formed with the base 1, or the extension member 31 can be detachably fixed on the base 1. In the present application, the extension member 31 is detachably fixed on the base 1. Specifically, the extension member 31 and the base 1 are threadedly connected by the fastening screw 5. Of course, the extension member 31 and the base 1 can also be positioned and matched by the positioning assembly 6. For example, the base 1 is provided with a positioning groove 61, and the extension member 31 is provided with a positioning block 62. The positioning block 62 is embedded in the positioning groove 61 to preliminarily position and fasten the extension member 31 and the base 1. Then, the extension member 31 and the base 1 are locked and matched by the fastening screw 5, which can ensure the reliability of the position of the extension member 31 on the base 1.

[0052] With reference to Figures 4 to 9 In order to ensure the locking effect of the locking member 33, when the extension member 31 cooperates with the matching member 32, the locking member 33 can be a buckle structure, a threaded structure, etc. to fasten the matching member 32 on the extension member 31.

[0053] In some embodiments, the locking member 33 includes a locking pull rod 331 and a locking elastic return member 332. The locking pull rod 331 penetrates the moving seat 2 in a direction perpendicular to the extension direction of the extension rack 312. The two ends of the locking elastic return member 332 are respectively connected to the locking pull rod 331 and the extension tooth block. Under the elastic force of the elastic return member, the extension tooth block is engaged with the extension rack 312 and is pressed on the extension rack 312, so as to ensure that the moving seat 2 cannot move on the extension rack 312. When it is necessary to adjust the position of the extension tooth block on the extension rack 312, the locking pull rod 331 is pulled away from the extension rack 312, so as to drive the extension tooth block away from the extension rack 312 and contact the engagement therebetween. Then, the position of the extension tooth block can be adjusted. When the moving is completed, the locking pull rod 331 is released. Under the elastic return force of the locking elastic return member 332, the extension tooth block is driven to move towards the extension rack 312, and then the extension tooth block and the extension rack 312 are engaged.

[0054] The locking elastic return member 332 includes but is not limited to components such as springs, compression springs, etc. that can be elastically compressed and have elastic return force.

[0055] In order to ensure the reliability of the movement of the locking member 33, the moving seat 2 is provided with a locking hole penetrating in a direction perpendicular to the extension direction of the extension rack 312. The locking pull rod 331 includes a pull rod part and a locking cap connected to each other. The pull rod part is located in the locking hole and is used to cooperate with the extension tooth block. The locking cap is arranged at one end of the pull rod part away from the extension tooth block, and the size of the end of the locking cap used to cooperate with the pull rod part is greater than the cross-sectional size of the locking hole.

[0056] It can be known that the cross-sectional shape of the locking hole includes but is not limited to a circle, a rectangle or other polygons. The cross-sectional shape of the pull rod part is matched with the cross-sectional shape of the locking hole.

[0057] Of course, in order to facilitate the use of the user, the outer peripheral side of the locking cap can also be provided with an embossing, and the setting of the embossing can increase the friction force, thereby ensuring the stable operation of the user.

[0058] In some embodiments, the fixed seat further comprises a guide mechanism 7, which comprises a first guide 71 and a second guide 72 that are matched in a guiding manner, one of the first guide 71 and the second guide 72 is arranged on the base 1, and the other is arranged on the moving seat 2. The reciprocating movement of the moving seat 2 on the base 1 can be ensured by the guiding cooperation between the first guide 71 and the second guide 72. For example, the first guide 71 and the second guide 72 can be a matching structure in which a sliding groove and a sliding rail are embedded, or the first guide 71 and the second guide 72 can be a matching structure of two adjacent sliding blocks and sliding rails.

[0059] In some embodiments, the first guide 71 is a first inner groove formed on the extension piece 31, the second guide 72 is a second inner groove formed on the moving seat 2, the first inner groove and the second inner groove are arranged in a matching manner and are matched with each other to form a guide channel, and a guide bead 73 is arranged in the guide channel. By arranging the guide bead 73 in the guide channel, the stability of the sliding of the moving seat 2 can be ensured, and the smoothness of the sliding can also be ensured.

[0060] The guide mechanism 7 is provided in two groups, two first guides 71 of the two groups of guide mechanisms 7 are arranged on opposite sides of the extension piece 31 respectively, the moving seat 2 is provided with a through hole along the extension direction of the extension piece 31, the extension piece 31 is embedded in the through hole, and two second guides 72 of the two groups of guide mechanisms 7 are arranged on opposite side walls of the through hole respectively. By arranging one group of guide mechanisms 7 on each of the opposite sides of the extension piece 31, the stable movement of the moving seat 2 can be further ensured.

[0061] The second positioning part 21 is movably arranged on the moving seat 2 in a direction close to or away from the first positioning part 11, so as to finely adjust the distance between the second positioning part 21 and the first positioning part 11. When the card rail needs to be installed, the second positioning part 21 is moved away from the first positioning part 11, so as to facilitate the placement of the card rail. After the card rail is installed, the second positioning part 21 is moved towards the first positioning part 11, so as to limit and fix the card rail between the first positioning part 11 and the second positioning part 21. The second positioning part 21 includes but is not limited to being moved by cooperating with a pneumatic cylinder, an electric push rod, a motor and a screw rod, etc.

[0062] In some embodiments, the fixed seat further comprises a moving mechanism 8, which comprises a moving top rod 81 and a moving elastic return member 82, and the moving seat 2 is provided with a moving groove along the moving direction of the second positioning part 21, and the opening of the moving groove faces the first positioning part 11.

[0063] The moving elastic return member 82 is arranged in the moving groove, the moving top rod 81 penetrates the opening and one end of the moving top rod 81 is connected with the moving elastic return member 82, and the other end of the moving top rod 81 is connected with the second positioning part 21.

[0064] The second positioning part 21 moves away from the first positioning part 11, so as to compress the moving elastic return member 82, at this time, the card rail is placed between the first positioning part 11 and the second positioning part 21, then the restriction on the second positioning part 21 is released, and under the elastic return force of the moving elastic return member 82, the second positioning part 21 returns to the original state, so as to limit and fix the card rail between the first positioning part 11 and the second positioning part 21.

[0065] The moving elastic return member 82 comprises but is not limited to components capable of elastic compression and having elastic return force, such as springs, compression springs and the like.

[0066] Optionally, the moving mechanism 8 further comprises a limiting member 83, a limiting end of the limiting member 83 is arranged in the moving groove and movably cooperates with the moving seat 2, so as to adjust the distance between the limiting end and the groove bottom of the moving groove, and the limiting end is arranged in position with the moving top rod 81. By arranging the limiting member 83, the moving distance of the moving top rod 81 is limited, and when the moving top rod 81 abuts against the limiting end, it is the maximum moving distance of the moving top rod 81, and also the maximum moving distance of the second positioning part 21.

[0067] Optionally, the limiting member 83 movably cooperates with the moving seat 2, so as to adjust the distance between the limiting end and the groove bottom of the moving groove, and then adjust the distance between the limiting end and the moving top rod 81, and then adjust the moving distance of the moving top rod 81. Optionally, the movably cooperation between the limiting member 83 and the moving seat 2 comprises but is not limited to replacing the limiting member 83 with different sizes to adjust the distance between the limiting end and the groove bottom of the moving groove, or the limiting member 83 is screw-connected with the moving seat 2, and the depth of screw rotation is adjusted to adjust the distance between the limiting end and the groove bottom of the moving groove.

[0068] Optionally, the moving mechanism 8 is provided with two groups, and the two groups of moving mechanisms 8 are arranged on opposite sides of the moving seat 2, and the locking member 33 is arranged at the middle position of the moving seat 2. The two moving top rods 81 of the two groups of moving mechanisms 8 are respectively connected with the two ends of the second positioning part 21, so as to ensure the stable movement of the second positioning part 21.

[0069] In some embodiments, the fixed seat further comprises a guide pin rod 84 penetrating through the moving seat 2 along the moving direction of the second positioning part 21, one end of the guide pin rod 84 being connected with the second positioning part 21. The guide pin rod is arranged to guide the movement of the moving top rod 81, thereby ensuring the stability of the moving direction. When the moving mechanism 8 is provided with two groups, the guide pin rod 84 can also be correspondingly provided with two, and the two guide pin rods 84 are arranged on opposite sides of the moving seat 2, and the two guide pin rods 84 are arranged in position with the two moving top rods 81 respectively.

[0070] In summary, the fixed seat provided by the embodiments of the present application has the advantages of simple structure, easy processing, light weight, strong compatibility, convenient installation, compatibility with different width specifications of the card rail, and solving the problems of difficult installation and low utilization rate of the existing solutions.

[0071] Second embodiment

[0072] The embodiments of the present application also provide an electronic device, which comprises a main body and the fixed seat as described in the foregoing embodiments, and the fixed seat is detachably arranged on the main body. The fixed seat can be detachably arranged on the main body by means of fastening screws or buckles.

[0073] It should be noted that the phrases "one embodiment", "an embodiment", "exemplary embodiment", "some embodiments", and the like, as used in the specification, indicate that the embodiment described can comprise one or more features, structures, or characteristics, but is not necessarily every embodiment. Furthermore, such phrases do not necessarily refer to the same embodiment. Moreover, when a particular feature, structure, or characteristic is described in connection with an embodiment, it is submitted that it is within the purview of one skilled in the art to effect such feature, structure, or characteristic in connection with other embodiments whether or not explicitly described.

[0074] It should be readily understood that the terms "on", "above", and "on top of" in the present disclosure are to be interpreted in the broadest possible way, such that "on" means not only "directly on", but also "on" with intervening features or layers therebetween, and "above" or "on top of" means not only "above" or "on top of", but also "above" or "on top of" with no intervening features or layers therebetween (i.e., directly on).

[0075] Moreover, spatially relative terms, such as "beneath", "below", "lower", "above", "upper", and the like, can be used herein for ease of description to describe one element or feature's relationship to another element(s) or feature(s) as illustrated in the figures. The spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientations depicted in the figures. The devices can be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

[0076] Note that, in the present document, the terms "first", "second", and the like, merely identify content distinctions, but do not necessarily require or imply any actual relationship or order between the entities or actions so identified. Also, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element preceded by "comprises a" does not, without more constraints, foreclose the existence of additional identical elements in the process, method, article, or apparatus that comprises the recited element.

[0077] Finally, it should be noted that the above-described embodiments are merely intended for describing and illustrating, but not limiting, the technical solutions of the present application; even though the present application has been described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions recorded in the above embodiments, or equivalently replace some or all of the technical features thereof; and such modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A fixed seating, characterized in that, The fixing clamp comprises a base, a moving seat and an adjusting mechanism. The base is provided with a first positioning part for cooperating with a first end of a part to be fixed. The moving seat is provided with a second positioning part for cooperating with a second end of the part to be fixed. The second positioning part is movably arranged on the moving seat in a direction close to or away from the first positioning part. The adjusting mechanism comprises an extension part, a cooperating part and a locking part.

2. The fixed mount of claim 1, wherein The extension part is arranged on the base.

3. The fixed mount of claim 2, wherein The cooperating part is arranged on the moving seat and movably cooperates with the extension part in the moving direction of the second positioning part.

4. The fixed mount of claim 1, wherein The locking part is used for limiting and fixing the cooperating part on the extension part.

5. The fixed mount of claim 4, wherein The extension part comprises an extension base arranged in the moving direction of the second positioning part.

6. The fixed mount of claim 4 or 5, wherein, The extension base is provided with an extension rack.

7. The fixed mount of claim 1 wherein, The cooperating part comprises an extension tooth block engaged with the extension rack. The locking part comprises a locking pull rod and a locking elastic return part.

8. The fixed mount of claim 7, wherein, The locking pull rod penetrates the moving seat in a direction perpendicular to the extension direction of the extension rack.

9. The fixed mount of claim 1, wherein The two ends of the locking elastic return part are connected with the locking pull rod and the extension tooth block respectively.

10. An electronic device, comprising: The fixing clamp further comprises a guide mechanism. The guide mechanism comprises a first guide part and a second guide part. One of the first guide part and the second guide part is arranged on the base and the other is arranged on the moving seat. The first guide part is a first inner groove formed on the extension part. The second guide part is a second inner groove formed on the moving seat. The first inner groove and the second inner groove are arranged in position and are mutually spliced to form a guide channel. A guide bead is arranged in the guide channel. The guide mechanism is arranged in two groups. The two first guide parts of the two groups of guide mechanisms are arranged on opposite sides of the extension part respectively. The moving seat is provided with a through hole penetrating in the extension direction of the extension part. The extension part is embedded in the through hole. The two second guide parts of the two groups of guide mechanisms are arranged on opposite side walls of the through hole respectively. The fixing clamp further comprises a moving mechanism. The moving mechanism comprises a moving top rod and a moving elastic return part. The moving seat is provided with a moving groove in the moving direction of the second positioning part. The opening of the moving groove faces the first positioning part. The moving elastic return part is arranged in the moving groove. The moving top rod penetrates the opening and one end of the moving top rod is connected with the moving elastic return part. The other end of the moving top rod is connected with the second positioning part. The moving mechanism further comprises a limiting part. The limiting end of the limiting part is located in the moving groove and movably cooperates with the moving seat to adjust the distance between the limiting end and the groove bottom. The limiting end is arranged in position with the moving top rod. The fixing clamp further comprises a guide pin rod penetrating the moving seat in the moving direction of the second positioning part. One end of the guide pin rod is connected with the second positioning part. The fixing clamp comprises a main body and a fixing clamp as claimed in any one of claims 1-9. The fixing clamp is detachably arranged on the main body.

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