CN217233399U

CN217233399U - Stretching type cat ladder balancing unit

Info

Publication number: CN217233399U
Application number: CN202123043019.9U
Authority: CN
Inventors: 罗日才; 梁志勋
Original assignee: Hechi University
Current assignee: Hechi University
Priority date: 2021-12-06
Filing date: 2021-12-06
Publication date: 2022-08-19
Anticipated expiration: 2031-12-06

Abstract

The utility model discloses a stretching type cat ladder balancing unit relates to the fitment auxiliary fixtures field, including the shell, the equal screw thread in both sides top of shell is equipped with the screw rod, just one side sliding connection of shell has the telescopic link, the surface cover of telescopic link is equipped with the stop collar, just one side of telescopic link is provided with the tooth, one side of shell is provided with the locking lever, the stop collar with the shell is fixed continuous, rotate through the round pin axle between locking lever and the shell and be connected, just the one end fixedly connected with connecting rod of locking lever. The utility model discloses a set up telescopic link and locking lever, the locking lever rotates with the shell through the round pin axle and links to each other, promotes the push rod, makes the locking lever take place rotatoryly to break away from with tooth, alright stimulate the telescopic link from top to bottom, after confirming the high position of telescopic link, make locking lever and tooth block again, make the locking lever lock the telescopic link, compensate the uneven problem that ladder stabilizer blade more than two appears subaerially at the unevenness.

Description

Stretching type cat ladder balancing unit

Technical Field

The utility model relates to a finishing work appurtenance technical field especially relates to a tensile formula cat ladder balancing unit.

Background

The ladder is people's daily life apparatus, and people can use the ladder to take and put the thing at the eminence usually, and the ladder of fitment and building trade is more the thing commonly used, and the ladder of commonly used has a lot of forms, like vertical ladder, extension ladder etc. but no matter which kind of ladder, because of its operational environment's particularity, the user all can regard the security very much when using to ensure personal safety.

In order to enable the ladder to be used on uneven ground, a ladder balancer is usually used, but the existing telescopic ladder balancer is complex in structure, so that the production process is complicated, the production cost is high, and meanwhile, the ladder is mainly suitable for a straight ladder and is not high in adaptation degree with a herringbone ladder.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems that the prior telescopic ladder balancer production process is more complicated and the application range is more limited in the prior art, and providing a stretching ladder balancing device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a stretching type cat ladder balancing unit, includes the shell, the equal screw thread in both sides top of shell is equipped with the screw rod, just one side sliding connection of shell has the telescopic link, the surface cover of telescopic link is equipped with the stop collar, just one side of telescopic link is provided with the tooth, one side of shell is provided with the locking lever, the stop collar with the shell is fixed continuous, rotate through the round pin axle between locking lever and the shell and be connected, just the one end fixedly connected with connecting rod of locking lever.

Preferably, a spring is fixedly connected below the connecting rod, and the lower end of the spring is fixedly connected with the shell sleeve through a fixing rod.

Preferably, a cover is fixed on the surface of the shell at the outer sides of the telescopic rod and the locking rod, and the cover is fixedly connected with the shell through a fixing bolt.

Preferably, one side of the telescopic rod is provided with a limiting rod at two ends, and the length of the limiting rod is greater than the width of the cover.

Preferably, the shell is of a hollow structure, and a sealing plate is fixed at the bottom of the shell.

Preferably, a push rod is fixed at one end of the locking rod, and a sliding groove is formed in the surface of the cover at a position corresponding to the push rod.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the device comprises a ladder stand bar, a shell sleeve, a screw rod, a sealing plate, a screw rod and a sealing plate, wherein the shell sleeve is arranged on the surface of one of the ladder stand bars which is suspended in the ground in a sleeved mode and then fixed on the surface of the ladder stand bar by the screw rod;

2. through setting up telescopic link and locking lever, the locking lever rotates with the shell through the round pin axle and links to each other, promote the push rod, make the locking lever take place to rotate, and break away from with tooth, alright stimulate the telescopic link from top to bottom, after the high position of telescopic link has been confirmed, make locking lever and tooth block again, make the locking lever lock the telescopic link, compensate the unbalanced problem that ladder stabilizer blade more than two appears in the subaerial of unevenness, make this device can be applicable to a word ladder and double ladder simultaneously, the application scope has been enlarged, and easy and simple to handle, moreover, the steam generator is simple in structure, the degree of difficulty of production and processing is lower, be favorable to saving manufacturing cost.

Drawings

Fig. 1 is a schematic structural view of a tension type ladder stand balancing device provided by the present invention;

fig. 2 is a schematic cross-sectional structure view of a tension type ladder stand balancing device provided by the present invention;

fig. 3 is the utility model provides a tensile cat ladder balancing unit's use scene structure sketch map.

In the figure: 1. a shell; 2. a screw; 3. a telescopic rod; 4. a position limiting sleeve; 5. teeth; 6. a locking lever; 7. a pin shaft; 8. a spring; 9. a connecting rod; 10. a limiting rod; 11. a cover; 12. a push rod; 13. and (5) fixing the rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, the stretching type ladder stand balancing device comprises a shell sleeve 1, the size of the shell sleeve 1 can be set with various specifications, so that the size of the shell sleeve 1 is matched with the sizes of different ladder support legs, the application range of the device is improved, the screw rods 2 are arranged above the two sides of the shell sleeve 1 in a threaded manner, and one side of the shell sleeve 1 is connected with a telescopic rod 3 in a sliding way, the surface of the telescopic rod 3 is sleeved with a limit sleeve 4, and one side of the telescopic rod 3 is provided with teeth 5, one side of the shell sleeve 1 is provided with a locking rod 6, the limiting sleeve 4 is fixedly connected with the shell sleeve 1, the locking rod 6 is rotationally connected with the shell sleeve 1 through a pin shaft 7, and one end of the locking lever 6 is fixedly connected with a connecting rod 9, when the locking lever 6 is separated from the teeth 5, the locking of the locking lever 6 to the height position of the telescopic rod 3 can be canceled, and conversely, when the locking lever 6 is engaged with the teeth 5, the locking lever 6 can be fixed to the telescopic rod 3.

Referring to fig. 2, a spring 8 is fixedly connected to a lower portion of a connecting rod 9, a lower end of the spring 8 is fixedly connected to the housing 1 through a fixing rod 13, when a push rod 12 is pushed, the locking rod 6 and the connecting rod 9 rotate, the spring 8 is stretched, the locking rod 6 is separated from the teeth 5, after the push rod 12 is released, the locking rod 6 and the connecting rod 9 can automatically reset under the resilience of the spring 8, the locking rod 6 is engaged with the teeth 5, and the height position of the telescopic rod 3 is fixed.

Referring to fig. 1, the surface of the shell 1 is located the outside of the telescopic rod 3 and the locking rod 6 and is fixed with a cover 11, the cover 11 is fixedly connected with the shell 1 through a fixing bolt, the cover 11 is arranged to shield the locking rod 6, the spring 8 and the connecting rod 9, besides enabling the device to be more attractive, the device can also provide protection for the locking rod 6, the spring 8 and the connecting rod 9, and the situation that the locking rod 6, the spring 8 and the connecting rod 9 are accidentally collided and damaged is avoided.

Referring to fig. 1, one side of the telescopic rod 3 is located at two ends and is fixed with a limiting rod 10, the length of the limiting rod 10 is greater than the width of the cover 11, and the arrangement of the limiting rod 10 can prevent the telescopic rod 3 from being separated from the upper end and the lower end of the cover 11.

Referring to fig. 1, shell 1 is hollow structure, and the bottom of shell 1 is fixed with the shrouding, overlaps shell 1 behind the below of ladder stabilizer blade, and the shrouding can provide the support to the lower extreme of ladder stabilizer blade, and in addition screw rod 2 is fixed mutually with the ladder stabilizer blade to the fastening of ladder stabilizer blade both sides, can be fixed whole device with the ladder stabilizer blade steadily, avoids appearing gliding condition between this device and the ladder stabilizer blade, in the use, can guarantee the security.

Referring to fig. 1, a push rod 12 is fixed at one end of a locking rod 6, a sliding groove is formed in a position, corresponding to the push rod 12, on the surface of a cover 11, one end of the push rod 12 penetrates through the sliding groove to extend out of the cover 11, so that when a worker pushes the push rod 12, the locking rod 6 and a connecting rod 9 can rotate, the push rod 12 can be held by the worker conveniently, a handle can be fixed at one end of the push rod 12, anti-skid grains are arranged on the surface of the handle, friction between the handle and a hand of a human body is improved, and an anti-skid effect is achieved.

The utility model discloses in, when needs use the ladder on the unevennesses subaerial, can take this device, along the route of the spout that the lid 11 surface was seted up earlier, promote push rod 12, make locking lever 6, connecting rod 9 take place the rotation, spring 8 at this moment receives the extension, until locking lever 6 and the tooth 5 of telescopic link 3 one side break away from, alright pull telescopic link 3 from top to bottom, at this moment, pull telescopic link 3 up, so that move this device to the space between ladder stabilizer blade and the ground, after having adjusted the position of telescopic link 3, loosen push rod 12, under the rebound effect of spring 8, locking lever 6 and connecting rod 9 can reset, and, locking lever 6 is blocked with tooth 5 once more, can lock the high position of telescopic link 3;

next, the casing 1 is positioned under the ladder leg suspended on the ground, then the casing 1 is sleeved under the ladder leg, the lower surface of the ladder leg is abutted against the upper surface of the sealing plate under the casing 1, then the two screws 2 are sequentially screwed, the casing 1 and the ladder leg are fixed, the push rod 12 is pushed again to rotate the locking rod 6 and the connecting rod 9, the spring 8 is stretched, the locking of the locking rod 6 to the height position of the telescopic rod 3 is released, the telescopic rod 3 is descended until the lower surface of the telescopic rod 3 is contacted with the ground and the ladder is balanced, the push rod 12 is released, the locking rod 6 and the connecting rod 9 are reset under the rebound of the spring 8, the locking rod 6 is engaged with the tooth 5 again, the telescopic rod 3 can be fixed, and the telescopic rod 3 supports one suspended ladder leg, thereby maintaining the balance of the ladder;

this device is applicable to the double ladder except being applicable to the vertical ladder, has still been applicable to the double ladder, has solved current ladder equalizer and has mainly been applicable to a line ladder, and with the not high problem of matching degree of double ladder, has enlarged application range, makes this device more practical, and simple to operate between shell 1 and the ladder stabilizer blade, the simple structure of this device, the production and processing of being convenient for is favorable to practicing thrift the cost.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a tensile formula cat ladder balancing unit, includes shell (1), its characterized in that, the equal screw thread in both sides top of shell (1) is equipped with screw rod (2), just one side sliding connection of shell (1) has telescopic link (3), the surface cover of telescopic link (3) is equipped with stop collar (4), just one side of telescopic link (3) is provided with tooth (5), one side of shell (1) is provided with locking lever (6), stop collar (4) with shell (1) is fixed continuous, rotate through round pin axle (7) between locking lever (6) and the shell (1) and be connected, just the one end fixedly connected with connecting rod (9) of locking lever (6).

2. The tension type ladder stand balancing device as claimed in claim 1, wherein a spring (8) is fixedly connected below the connecting rod (9), and the lower end of the spring (8) is fixedly connected with the shell (1) through a fixing rod (13).

3. The tension type ladder stand balancing device as claimed in claim 1, wherein a cover (11) is fixed on the surface of the casing (1) outside the telescopic rod (3) and the locking rod (6), and the cover (11) is fixedly connected with the casing (1) through a fixing bolt.

4. A tension ladder balancing device according to claim 3, characterized in that a limiting rod (10) is fixed to one side of the telescopic rod (3) at both ends, and the length of the limiting rod (10) is greater than the width of the cover (11).

5. The stretching ladder stand balancing device as claimed in claim 1, wherein the housing (1) is hollow, and a sealing plate is fixed to the bottom of the housing (1).

6. The stretching ladder stand balancing device as claimed in claim 3, wherein a push rod (12) is fixed to one end of the locking rod (6), and a sliding groove is formed in the surface of the cover (11) at a position corresponding to the push rod (12).