CN219144012U - Valve linear travel limit switch with anti-loosening installation function - Google Patents
Valve linear travel limit switch with anti-loosening installation function Download PDFInfo
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- CN219144012U CN219144012U CN202320186783.1U CN202320186783U CN219144012U CN 219144012 U CN219144012 U CN 219144012U CN 202320186783 U CN202320186783 U CN 202320186783U CN 219144012 U CN219144012 U CN 219144012U
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- limit switch
- switch body
- supporting seat
- sliding rod
- slide bar
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- 238000009434 installation Methods 0.000 title claims abstract description 10
- 230000001681 protective effect Effects 0.000 abstract description 4
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- 238000000034 method Methods 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
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Abstract
The utility model discloses a linear travel limit switch for installing an anti-loosening valve, which comprises a limit switch body, a protective cover, a supporting seat, bolts, limit holes and a fixed block, wherein the protective cover is fixedly arranged at the upper end of the limit switch body, the supporting seat is fixedly arranged on an ordering sheet of the limit switch body, the inner side of the supporting seat is connected with the bolts, and the inner side of the bolts is provided with the limit holes. This valve linear travel limit switch of installation anti-loosening is when needs are fixed limit switch and bolt, through pulling first slide bar, makes first slide bar inboard at the fixed block slide, rotates the bolt afterwards, makes the bolt run through supporting seat and valve inboard, after fixing, loosens first slide bar, and first slide bar resets through the elasticity of first expansion spring, makes first slide bar tail end block in the spacing hole inboard to make the bolt fastening, prevent that the valve from appearing connecting at external influences such as water pressure from becoming flexible, the condition that the installation of limit switch body is loose appears.
Description
Technical Field
The utility model relates to the technical field of limit switches, in particular to a linear travel limit switch for installing an anti-loosening valve.
Background
The valve limit switch is a field instrument for detecting the valve state in an automatic control system, and is used for outputting the opening or closing position of the valve in a signal of the opening or closing quantity, receiving the signal by a program controller or performing computer visiting sampling, and executing the next procedure after confirmation.
The utility model provides a limit switch cable subassembly's anti-drop mechanism for CN201920418039.3, includes the limit switch body, the right side fixedly connected with cable assembly body of limit switch body, and the surface cover of cable assembly body is equipped with the retainer plate, the equal fixedly connected with shell in top and the bottom of retainer plate. According to the utility model, through the matched use of the limiting rod, the limiting groove, the movable plate, the gear, the rotating shaft, the first bevel gear, the rotating rod, the second bevel gear, the limiting hole and the barb, the problem that the cable assembly of the existing limiting switch lacks a reinforcing function is solved, and the cable assembly is likely to be separated from the limiting switch in the long-time use process of the limiting switch, so that the limiting switch cannot normally run, a worker is required to maintain, the work load of the worker is increased, and the problem of being unfavorable for the use of a user is solved.
This contrast device is through setting up gag lever post, spacing groove, fly leaf, gear, pivot, first bevel gear, bull stick, second bevel gear, spacing hole and barb's cooperation and use, fixes cable assembly, but cable assembly outward appearance is comparatively fragile, if it is fixed the cable assembly outside to drive the gear by means of the motor, causes cable assembly's damage easily.
Aiming at the problems, innovative design is urgently needed on the basis of the original valve linear travel limit switch structure.
Disclosure of Invention
The utility model aims to provide a linear travel limit switch for installing an anti-loosening valve, which aims to solve the problem that the cable assembly is easily damaged by fixing and limiting the cable assembly by a gear driven by a motor in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an installation anti-loosening's valve linear travel limit switch, includes limit switch body, protection casing, supporting seat, bolt, spacing hole and fixed block, limit switch body upper end fixed mounting has the protection casing, and singly fixed mounting has the supporting seat under the limit switch body, the supporting seat inboard is connected with the bolt, and the bolt is inboard to be seted up spacing hole, supporting seat outside fixed mounting has the fixed block, and fixed block outside fixed mounting has first expansion spring, first expansion spring tail end fixedly connected with first slide bar, and first slide bar runs through the fixed block inboard to first slide bar tail end connection is inboard at the spacing hole.
Preferably, the two groups of supporting seats are symmetrically distributed on the midpoint of the limit switch body left and right, and the supporting seats are in threaded connection with the bolts through threaded holes formed in the inner sides of the supporting seats; the supporting seat is symmetrically distributed with two groups of limit switch bodies which can support the upper end about the midpoint of the limit switch body.
Preferably, the first sliding rod and the fixed block form a sliding structure, and the first sliding rod and the fixed block form an elastic structure through a first telescopic spring; the first telescopic spring can enable the first sliding rod to automatically reset through the elasticity of the first telescopic spring.
Preferably, limit holes are formed in the inner side of the bolt at equal intervals, and the limit holes and the tail end of the first sliding rod form a clamping structure; the limit holes formed at equal intervals can be clamped with the tail end of the first sliding rod, so that the bolts are fixed.
Preferably, the connecting groove is formed in the inner side of the limit switch body, the connecting groove is connected with the wire holder, the clamping groove is formed in the inner side of the wire holder, the cable is fixedly connected to the outer side of the wire holder, the second telescopic spring is fixedly arranged at the upper end of the limit switch body, the second sliding rod is fixedly connected to the upper end of the second telescopic spring, the second sliding rod penetrates through the inner side of the limit switch body, and the tail end of the second sliding rod is connected to the inner side of the clamping groove.
Preferably, the second sliding rod and the limit switch body form a sliding structure, and the second sliding rod and the limit switch body form an elastic structure through a second telescopic spring; the second telescopic spring can enable the second sliding rod to automatically reset through the elasticity of the second telescopic spring.
Preferably, the two groups of wire holders are symmetrically arranged on the midpoint of the limit switch body in a left-right manner, and the clamping grooves on the inner sides of the wire holders and the tail ends of the second sliding rods form a clamping structure; the second sliding rod is clamped with the clamping groove, so that the wiring seat is fixed on the inner side of the limit switch body.
Compared with the prior art, the utility model has the beneficial effects that: the linear travel limit switch of the valve is provided with the anti-loosening:
1. the structure that is provided with installation anti-drop, when needs are fixed limit switch body and bolt, through pulling first slide bar, make first slide bar inboard at the fixed block slide, rotate the bolt afterwards, make the bolt run through supporting seat and valve inboard, after fixing, loosen first slide bar, first slide bar resets through the elasticity of first expansion spring, make first slide bar tail end block in the limiting hole inboard, thereby make the bolt fastening, prevent that the valve from appearing connecting at external influences such as water pressure and becoming flexible, the condition that limit switch body installation pine takes off appears.
2. Be provided with the structure that the protection cable drops, through at cable tail end installation connection terminal, when needs are fixed to the cable, through pulling the second slide bar, make the connection terminal slide to the spread groove inboard, after placing, loosen the second slide bar, through the elasticity of second telescopic spring, make the second slide bar automatic re-setting, the block is inboard at the draw-in groove inboard of spread groove to make the cable fix in limit switch body inboard, fix, prevent that the cable from appearing breaking away from with the limit switch body, cause the electric leakage.
Drawings
FIG. 1 is a schematic elevational view of the present utility model;
FIG. 2 is a schematic top view of the present utility model;
FIG. 3 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;
FIG. 4 is a schematic diagram of a front cross-sectional structure of a limit switch body according to the present utility model;
fig. 5 is a schematic top view of the wire holder of the present utility model.
In the figure: 1. a limit switch body; 2. a protective cover; 3. a support base; 4. a bolt; 5. a limiting hole; 6. a fixed block; 7. a first extension spring; 8. a first slide bar; 9. a connecting groove; 10. a wire holder; 11. a clamping groove; 12. a cable; 13. a second extension spring; 14. and a second slide bar.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-5, the present utility model provides a technical solution: the utility model provides an installation anti-loosening's valve linear travel limit switch, includes limit switch body 1, protection casing 2, supporting seat 3, bolt 4, spacing hole 5, fixed block 6, first telescopic spring 7, first slide bar 8, spread groove 9, wiring seat 10, draw-in groove 11, cable 12, second telescopic spring 13 and second slide bar 14.
The upper end of the limit switch body 1 is fixedly provided with a protective cover 2, the lower sheet of the limit switch body 1 is fixedly provided with a supporting seat 3, the inner side of the supporting seat 3 is connected with a bolt 4, the inner side of the bolt 4 is provided with a limit hole 5, the outer side of the supporting seat 3 is fixedly provided with a fixed block 6, the outer side of the fixed block 6 is fixedly provided with a first telescopic spring 7, the tail end of the first telescopic spring 7 is fixedly connected with a first sliding rod 8, the first sliding rod 8 penetrates through the inner side of the fixed block 6, and the tail end of the first sliding rod 8 is connected with the inner side of the limit hole 5;
according to the figures 1-3, two groups of supporting seats 3 are symmetrically distributed about the midpoint of the limit switch body 1, and the supporting seats 3 are in threaded connection with bolts 4 through threaded holes formed in the inner side; the first sliding rod 8 and the fixed block 6 form a sliding structure, and the first sliding rod 8 and the fixed block 6 form an elastic structure through the first telescopic spring 7; limiting holes 5 are formed in the inner side of the bolt 4 at equal intervals, and the limiting holes 5 and the tail end of the first sliding rod 8 form a clamping structure;
this structure places supporting seat 3 in the valve upper end, later pulling first slide bar 8, make bolt 4 rotate downwards, run through supporting seat 3 and valve body inboard, fix supporting seat 3 and valve body, after fixing, loosen first slide bar 8, first slide bar 8 resets through the elasticity of first telescopic spring 7, slide along fixed block 6 inboard, thereby make first slide bar 8 tail end block in the inboard spacing hole 5 inboard of bolt 4, fix bolt 4, prevent that bolt 4 from receiving water pressure and external factor and producing vibrations and appear becoming flexible, thereby make limit switch body 1 break away from the valve upper end.
The inner side of the limit switch body 1 is provided with a connecting groove 9, the inner side of the connecting groove 9 is connected with a wire holder 10, the inner side of the wire holder 10 is provided with a clamping groove 11, the outer side of the wire holder 10 is fixedly connected with a cable 12, the upper end of the limit switch body 1 is fixedly provided with a second telescopic spring 13, the upper end of the second telescopic spring 13 is fixedly connected with a second sliding rod 14, the second sliding rod 14 penetrates through the inner side of the limit switch body 1, and the tail end of the second sliding rod 14 is connected with the inner side of the clamping groove 11;
according to fig. 1-2 and fig. 4-5, the second sliding rod 14 and the limit switch body 1 form a sliding structure, and the second sliding rod 14 and the limit switch body 1 form an elastic structure through the second telescopic spring 13; the wire holder 10 is symmetrically arranged in two groups about the midpoint of the limit switch body 1, and the clamping groove 11 at the inner side of the wire holder 10 and the tail end of the second sliding rod 14 form a clamping structure;
this structure is through the fixed mount connection terminal 10 in cable 12 tail end, when needs are fixed to cable 12, through pulling second slide bar 14, make second slide bar 14 upwards slide along limit switch body 1 inboard, thereby make connection terminal 10 slide along spread groove 9 inboard, after sliding to a certain extent, loosen second slide bar 14, second slide bar 14 resets through the elasticity of second telescopic spring 13, slide downwards along limit switch body 1 inboard, with the draw-in groove 11 block of seting up of connection terminal 10 inboard, thereby through the block with draw-in groove 11, make connection terminal 10 fix in the spread groove 9 inboard, thereby realized the fixed to cable 12, prevent that cable 12 and limit switch body 1 from appearing connecting loosely, and cause the condition of electric leakage.
What is not described in detail in this specification is prior art known to those skilled in the art.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides an installation anti-loosening's valve linear travel limit switch, includes limit switch body (1), protection casing (2), supporting seat (3), bolt (4), spacing hole (5) and fixed block (6), its characterized in that: limiting switch body (1) upper end fixed mounting has protection casing (2), and just limit switch body (1) lower list fixed mounting has supporting seat (3), supporting seat (3) inboard is connected with bolt (4), and limit hole (5) have been seted up to bolt (4) inboard, supporting seat (3) outside fixed mounting has fixed block (6), and fixed block (6) outside fixed mounting has first telescopic spring (7), first telescopic spring (7) tail end fixedly connected with first slide bar (8), and first slide bar (8) run through fixed block (6) inboard to first slide bar (8) tail end connection is in limit hole (5) inboard.
2. The valve linear travel limit switch for preventing loosening as set forth in claim 1, wherein: the supporting seat (3) is symmetrically distributed with two groups on the midpoint of the limit switch body (1) in a left-right mode, and the supporting seat (3) is in threaded connection with the bolt (4) through a threaded hole formed in the inner side.
3. The valve linear travel limit switch for preventing loosening as set forth in claim 1, wherein: the first sliding rod (8) and the fixed block (6) form a sliding structure, and the first sliding rod (8) and the fixed block (6) form an elastic structure through a first telescopic spring (7).
4. The valve linear travel limit switch for preventing loosening as set forth in claim 1, wherein: limiting holes (5) are formed in the inner side of the bolt (4) at equal intervals, and the limiting holes (5) and the tail end of the first sliding rod (8) form a clamping structure.
5. The valve linear travel limit switch for preventing loosening as set forth in claim 1, wherein: the limit switch is characterized in that a connecting groove (9) is formed in the inner side of the limit switch body (1), a wire holder (10) is connected to the inner side of the connecting groove (9), a clamping groove (11) is formed in the inner side of the wire holder (10), a cable (12) is fixedly connected to the outer side of the wire holder (10), a second telescopic spring (13) is fixedly arranged at the upper end of the limit switch body (1), a second sliding rod (14) is fixedly connected to the upper end of the second telescopic spring (13), the second sliding rod (14) penetrates through the inner side of the limit switch body (1), and the tail end of the second sliding rod (14) is connected to the inner side of the clamping groove (11).
6. The valve linear travel limit switch for preventing loosening as set forth in claim 5, wherein: the second sliding rod (14) and the limit switch body (1) form a sliding structure, and the second sliding rod (14) and the limit switch body (1) form an elastic structure through a second telescopic spring (13).
7. The valve linear travel limit switch for preventing loosening as set forth in claim 5, wherein: two groups of wire holders (10) are symmetrically arranged on the midpoint of the limit switch body (1) in a left-right mode, and clamping structures are formed by clamping grooves (11) on the inner sides of the wire holders (10) and the tail ends of the second sliding rods (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320186783.1U CN219144012U (en) | 2023-02-06 | 2023-02-06 | Valve linear travel limit switch with anti-loosening installation function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320186783.1U CN219144012U (en) | 2023-02-06 | 2023-02-06 | Valve linear travel limit switch with anti-loosening installation function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219144012U true CN219144012U (en) | 2023-06-06 |
Family
ID=86565765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320186783.1U Active CN219144012U (en) | 2023-02-06 | 2023-02-06 | Valve linear travel limit switch with anti-loosening installation function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219144012U (en) |
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2023
- 2023-02-06 CN CN202320186783.1U patent/CN219144012U/en active Active
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| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240514 Address after: 465123 Dongruangang Group 24, Tianqiao Village, Shuangliushu Town, Huangchuan County, Xinyang City, Henan Province Patentee after: Lin Zucheng Country or region after: China Address before: Floor 5, Building 12, Fluid Microenterprise Park, No. 936, Jinhai Second Road, Binhai Industrial Zone, Yongxing Street, Longwan District, Wenzhou City, Zhejiang Province, 325000 Patentee before: Wenzhou Tianqi Intelligent Technology Co.,Ltd. Country or region before: China |