CN216162967U

CN216162967U - Stroke limiter

Info

Publication number: CN216162967U
Application number: CN202121440615.8U
Authority: CN
Inventors: 王敏; 王培源; 王群
Original assignee: Changchun Moer Electronic Co ltd
Current assignee: Changchun Moer Electronic Co ltd
Priority date: 2021-06-28
Filing date: 2021-06-28
Publication date: 2022-04-01
Anticipated expiration: 2031-06-28

Abstract

The utility model discloses a stroke limiter; belongs to the technical field of limiters; the technical key points comprise that: the waterproof structure comprises an upper shell and a lower shell, wherein a plurality of first grooves are formed in the edge of the upper shell, a top cover which is integrally formed with the upper shell is arranged at the top of each first groove, first threaded holes are formed in the bottom surfaces of the first grooves, fastening screws are connected with the first threaded holes in an internal thread mode, and first flexible waterproof gaskets are arranged between nuts of the fastening screws and the bottom surfaces of the first grooves; the edge of casing goes out to be provided with a plurality of with the second recess that first recess corresponds down, every the bottom of second recess be provided with respectively with casing integrated into one piece's collet down, the top surface of second recess is provided with the second screw hole, the second screw hole with the aperture of first screw hole equals and link up each other, so that fastening screw with the second screw hole is connected and is extended to the downside of second screw hole.

Description

Stroke limiter

Technical Field

The present invention relates to a stopper, and more particularly, to a stroke stopper.

Background

The stroke limiter is a mechanical stroke limiter and has the characteristics of small volume, compact structure, interference resistance, adjustable limit, strong universality, convenient installation and maintenance and the like, and displacement signals synchronized with a controlled mechanism are connected with an input shaft of the limiter after being subjected to speed change by an external change gear and are converted into angular displacement signals of an output shaft through speed change of a speed reducer.

Multifunctional stroke stopper shell epitheca and inferior valve are constituteed, through the bolt with epitheca inferior valve fixed connection with long metal screw, the epitheca seals through exposed sealing washer with the position of being connected of inferior valve, but this kind of structure easily causes ageing for sealed insecure causes limit function failure, and the long screw rod leaks violently in the air, probably causes to rust or the crackle appears, causes the stopper not hard up, and spacing production deviation causes the emergence of accident. To this end, we provide a travel stop.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a travel limiter with good waterproof function, which overcomes the above-mentioned shortcomings of the prior art.

The technical scheme of the utility model is realized as follows: a travel stop, comprising: the waterproof structure comprises an upper shell and a lower shell, wherein a plurality of first grooves are formed in the edge of the upper shell, a top cover which is integrally formed with the upper shell is arranged at the top of each first groove, first threaded holes are formed in the bottom surfaces of the first grooves, fastening screws are connected with the first threaded holes in an internal thread mode, and first flexible waterproof gaskets are arranged between nuts of the fastening screws and the bottom surfaces of the first grooves; a plurality of second grooves corresponding to the first grooves are formed in the edge of the lower shell, a bottom support integrally formed with the lower shell is arranged at the bottom of each second groove, a second threaded hole is formed in the top surface of each second groove, the second threaded holes are equal in diameter to the first threaded holes and are communicated with the first threaded holes, so that the fastening screws are connected with the second threaded holes and extend to the lower sides of the second threaded holes, fastening nuts in threaded connection with the fastening screws are arranged on the lower sides of the second threaded holes, and second flexible waterproof gaskets are arranged between the fastening nuts and the top surfaces of the second grooves; the bottom surface of the first groove and the top surface of the second groove are both inclined surfaces, and the height of the outer end of each inclined surface is lower than that of the inner end of each inclined surface.

In the above-mentioned stroke limiter, a plurality of water chutes are formed on the bottom surface of the first groove and the top surface of the second groove, and the water chutes extend from the inner end of the inclined surface to the outer end thereof.

In the stroke limiter, a sealing side plate is detachably mounted on the outer side of the first groove, and the sealing side plate is detachably connected with the upper shell.

In the stroke limiter, the side wall of the upper shell is provided with a slot corresponding to the sealing side plate, and the sealing side plate is movably inserted into the slot.

In the above-mentioned stroke limiter, the left side wall of casing is fixed with communicating pipe down, the left end fixedly connected with waterproof connector of communicating pipe.

In the stroke limiter, the four corners of the bottom of the lower shell are respectively provided with the supporting legs.

After the structure is adopted, the waterproof effect to a certain degree can be achieved by arranging the first groove, the top cover arranged on the first groove and the detachable sealing side plate arranged on the outer side of the first groove, the waterproof effect to the connecting position between the upper shell and the lower shell can be further achieved by configuring the bottom surface of the first groove and the top surface of the second groove into the inclined surfaces, the sealing type between the upper shell and the lower shell is improved, rusting or cracks of the screw rod are avoided, and therefore the situation that the limiter is deviated and loosened can be effectively avoided.

Drawings

The utility model will be further described in detail with reference to examples of embodiments shown in the drawings to which, however, the utility model is not restricted.

Fig. 1 is a schematic structural view of a travel limiter according to the present invention.

In the figure: go up casing 1, first recess 101, top cap 102, first screw hole 103, lower casing 2, second recess 201, collet 202, second screw hole 203, fastening screw 3, first flexible waterproof packing ring 4, fastening nut 5, the waterproof packing ring 6 of second flexibility, sealed curb plate 7, communicating pipe 8, waterproof connector 9, supporting leg 10.

Detailed Description

Referring to fig. 1, a stroke limiter of the present invention includes: the waterproof structure comprises an upper shell 1 and a lower shell 2, wherein a plurality of first grooves 101 are formed in the edge of the upper shell 1, a top cover 102 which is integrally formed with the upper shell 1 is arranged at the top of each first groove 101, a first threaded hole 103 is formed in the bottom surface of each first groove 101, a fastening screw 3 is connected to the inner thread of each first threaded hole 103, and a first flexible waterproof gasket 4 is arranged between the nut of each fastening screw 3 and the bottom surface of each first groove 101; a plurality of second grooves 201 corresponding to the first grooves 101 are formed in the edge of the lower shell 2, a bottom support 202 integrally formed with the lower shell 2 is arranged at the bottom of each second groove 201, a second threaded hole 203 is formed in the top surface of each second groove 201, the second threaded hole 203 is equal to the first threaded hole 103 in diameter and is communicated with the first threaded hole 203, so that the fastening screw 3 is connected with the second threaded hole 203 and extends to the lower side of the second threaded hole 203, a fastening nut 5 in threaded connection with the fastening screw 3 is arranged on the lower side of the second threaded hole 203, and a second flexible waterproof gasket 6 is arranged between the fastening nut 5 and the top surface of each second groove 201; the bottom surface of the first groove 101 and the top surface of the second groove 201 are both inclined surfaces, and the height of the outer end of each inclined surface is lower than that of the inner end of each inclined surface.

Furthermore, a plurality of water chutes are formed on the bottom surface of the first groove 101 and the top surface of the second groove 201, and the water chutes extend from the inner end of the inclined surface to the outer end thereof.

Further, as shown in fig. 1, a sealing side plate 7 is detachably mounted on the outer side of the first groove 101, the sealing side plate 7 is detachably connected to the upper casing 1, the sealing side plate 7 can further seal the first groove 101, and a detachable connection mode is adopted, when the fastening bolt 3 is mounted, the sealing side plate 7 is detached, so that the fastening bolt 3 is reliably mounted, and after the connection between the upper casing 1 and the lower casing 2 is completed, the sealing side plate 7 can be mounted on the outer side of the first groove 101, so that the first groove 101 is sealed, and the sealing bolt 3 is prevented from being exposed in the air.

Furthermore, the side wall of the upper shell 1 is provided with a slot corresponding to the sealing side plate 7, the sealing side plate 7 is movably inserted into the slot, and the slot is used for installing the sealing side plate 7 to realize the positioning and installation of the sealing side plate 7.

Further, as shown in fig. 1, a communication pipe 8 is fixed to a left side wall of the lower housing 2, and a waterproof connector 9 is fixedly connected to a left end of the communication pipe 8.

Further, referring to fig. 1, support legs 10 are respectively disposed at four corners of the bottom of the lower case 2.

When in use, referring to fig. 1, the upper shell 1 and the lower shell 2 are connected through the fastening bolt 3 and the fastening nut 5, the upper shell 1 is located on the upper side of the lower shell 2, the upper shell 1 can play a role of waterproofing to a certain extent by arranging the first groove 101, the top cover 102 arranged on the first groove 101 and the detachable sealing side plate arranged outside the first groove 101, so as to prevent the fastening bolt 3 from being exposed in the air, further, the bottom surface of the first groove 101 and the top surface of the second groove 201 are both configured as inclined surfaces, and the height of the outer end of the inclined surface is lower than that of the inner end thereof, so as to further play a role of waterproofing the connecting position between the upper shell 1 and the lower shell 2, and the function of blocking water from entering the first threaded hole 103 and the second threaded hole 203 can be played by arranging the first flexible waterproof gasket 4 and the second flexible waterproof gasket 6, the waterproof effect of the connection position between the upper casing and the lower casing can be further played, the sealing type between the upper casing and the lower casing is improved, rusting or cracks of the screw rod are avoided, and therefore the situation that the limiter generates deviation and is not flexible can be effectively avoided. The first and

second grooves

101 and 201 may be disposed at four corners of the upper and lower cases 1 and 2, thereby improving reliability and stability of connection of the upper and lower cases 1 and 2.

It should be noted that in the description of the present specification, the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present invention; the terms "connected," "mounted," "secured," and the like are to be construed broadly and include, for example, fixed connections, removable connections, or integral connections; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims

1. A stroke limiter comprises an upper shell (1) and a lower shell (2), and is characterized in that,

a plurality of first grooves (101) are formed in the edge of the upper shell (1), a top cover (102) which is integrally formed with the upper shell (1) is arranged at the top of each first groove (101), a first threaded hole (103) is formed in the bottom surface of each first groove (101), a fastening screw (3) is connected to the first threaded hole (103) in an internal thread mode, and a first flexible waterproof gasket (4) is arranged between a nut of the fastening screw (3) and the bottom surface of each first groove (101);

a plurality of second grooves (201) corresponding to the first grooves (101) are formed in the edge of the lower shell (2), a bottom support (202) integrally formed with the lower shell (2) is arranged at the bottom of each second groove (201), second threaded holes (203) are formed in the top surface of each second groove (201), the diameters of the second threaded holes (203) and the first threaded holes (103) are equal and are communicated with each other, so that the fastening screws (3) are connected with the second threaded holes (203) and extend to the lower sides of the second threaded holes (203), fastening nuts (5) in threaded connection with the fastening screws (3) are arranged on the lower sides of the second threaded holes (203), and second flexible waterproof gaskets (6) are arranged between the fastening nuts (5) and the top surfaces of the second grooves (201);

the bottom surface of the first groove (101) and the top surface of the second groove (201) are both inclined surfaces, and the height of the outer end of each inclined surface is lower than that of the inner end of each inclined surface.

2. The travel limiter as claimed in claim 1, wherein a plurality of water guiding grooves are formed on the bottom surface of the first groove (101) and the top surface of the second groove (201), and extend from the inner end to the outer end of the inclined surface.

3. A travel stop according to claim 1, characterized in that a sealing side plate (7) is detachably mounted on the outer side of the first groove (101), and the sealing side plate (7) is detachably connected with the upper housing (1).

4. A travel limiter according to claim 3, wherein the side wall of the upper housing (1) is provided with a slot corresponding to the sealing side plate (7), and the sealing side plate (7) is movably inserted into the slot.

5. A travel limiter according to claim 1, wherein a communicating pipe (8) is fixed to the left side wall of the lower housing (2), and a waterproof connector (9) is fixedly connected to the left end of the communicating pipe (8).

6. A travel stop according to claim 1, characterised in that the lower housing (2) is provided with support legs (10) at the four corners of the bottom thereof.