CN211116931U - Interchangeable limiting valve support and telescopic sleeve hydraulic cylinder - Google Patents

Abstract

The utility model discloses an interchangeability limit valve bracket and a telescopic sleeve hydraulic cylinder, wherein the interchangeability limit valve bracket comprises a bracket body and two limit mechanisms; the bracket body is provided with two first mounting holes, a second mounting hole, a third mounting hole and a mounting groove; the two first mounting holes and the third mounting hole are matched with first screws of the four-hole limiting valve; the second mounting hole is matched with a second screw of the three-hole limiting valve; the mounting groove can be used for a first screw and a second screw to pass through; one limiting mechanism is arranged at the third mounting hole, and the other limiting mechanism is arranged at the mounting groove. The utility model discloses can satisfy three hole limit valve of installation and four hole limit valve, realize the interchangeability of pneumatic cylinder.

Description

Interchangeable limiting valve support and telescopic sleeve hydraulic cylinder

Technical Field

The utility model relates to a pneumatic cylinder technical field, specifically a spacing valve support of interchangeability and telescopic sleeve pneumatic cylinder.

Background

When a special car factory loads a car, different types of limiting valves are selected according to car types or customer requirements, the limiting valves are generally divided into three holes or four holes for connection, and the selection is relatively high in randomness and irregular; for satisfying customer's requirement, the spacing valve support of pneumatic cylinder also designs into two kinds of states: three hole limit valve supports, four hole limit valve supports. The two limit valve support structures have the following defects:

1. two sets of dies need to be developed for the limit valve bracket in two states, so that the cost and the inventory of products are increased; the mould is replaced according to the requirement during production, so that the workload and the stock are increased, and the production efficiency is reduced.

2. The pneumatic cylinder can 2 kinds of states because the limit valve support is different, and stock spare can't satisfy customer order demand, and the finished product often needs reworking because of the difference of limit valve support, and the interchangeability of pneumatic cylinder is poor, and the stock volume increases.

3. Because the difference of the limit valve support of the hydraulic cylinder needs to be reworked, the original limit valve support needs to be cut off, polished, welded with a new limit valve support again in a positioning mode and painted again, the reworking increases the labor cost and the material cost, and the appearance quality of the hydraulic cylinder is reduced.

SUMMERY OF THE UTILITY MODEL

To the defect that exists among the prior art, the utility model aims to provide an interchangeability limit valve support and telescopic sleeve pneumatic cylinder reduces the variety of the spacing valve support of pneumatic cylinder, optimizes into a support with three hole limit valve supports and four hole limit valve supports, satisfies the installation of three holes and four hole limit valve.

In order to achieve the above purpose, the utility model adopts the technical proposal that: an interchangeability limit valve bracket comprises a bracket body and two limit mechanisms; the bracket body is provided with two first mounting holes, a second mounting hole, a third mounting hole and a mounting groove; the two first mounting holes and the third mounting hole are matched with first screws of the four-hole limiting valve; the second mounting hole is matched with a second screw of the three-hole limiting valve; the mounting groove can be used for a first screw and a second screw to pass through; one limiting mechanism is arranged at the third mounting hole, and the other limiting mechanism is arranged at the mounting groove; the limiting mechanism comprises two limiting plates which are oppositely arranged, a first arc-shaped opening is formed in one side of each limiting plate, and a second arc-shaped opening is formed in the other side of each limiting plate; when the first arc-shaped opening sides of the two limiting plates of the limiting mechanism are connected, the two first arc-shaped openings are spliced into a first bayonet matched with the first screw; when the second arc opening sides of the two limiting plates of the limiting mechanism are connected, the two second arc openings are spliced into a second bayonet matched with the second screw.

The further improvement lies in that: the limiting plate is provided with a first connecting hole and is installed on the support body through the first connecting hole and the fastening piece.

The further improvement lies in that: and a plurality of second connecting holes which can be connected with the fastening piece are arranged beside the mounting groove.

The further improvement lies in that: and a plurality of third connecting holes which can be connected with the fastening piece are formed beside the third mounting hole.

The further improvement lies in that: the first mounting hole and the second mounting hole are through holes, and locking nuts and gaskets are arranged on the first screw and the second screw.

The further improvement lies in that: the first mounting hole and the second mounting hole are screw holes, and threads are arranged at the first arc-shaped opening and the second arc-shaped opening of the limiting plate.

The further improvement lies in that: the third mounting hole is a through hole or a screw hole.

The further improvement lies in that: and connecting plates are arranged on two sides of the bracket body.

The utility model also discloses a telescopic sleeve pneumatic cylinder, be provided with on the telescopic sleeve pneumatic cylinder like foretell interchangeability limit valve support, install four holes limit valve or three holes limit valve on the interchangeability limit valve support.

The beneficial effects of the utility model reside in that:

1. the variety of the hydraulic cylinder limit valve bracket is reduced, and the inventory of the limit valve bracket is reduced.

2. The variety of hydraulic cylinders is reduced, the stock of finished products is reduced, and the interchangeability of the finished products is realized.

3. The condition that the hydraulic cylinder needs to be reworked due to the difference of the limit valve support is eliminated, the rework cost is reduced, the production efficiency is improved, and the phenomenon that the appearance quality of the hydraulic cylinder is reduced due to the rework of the limit valve support is avoided.

4. The installation requirements of refitting manufacturers for various limit valves are met.

5. The installation efficiency of four hole limit valve has been improved.

Drawings

Fig. 1 is a schematic structural view of a bracket body in the present invention;

fig. 2 is a schematic structural view of the middle limiting mechanism of the present invention;

fig. 3 is a schematic structural view of another state of the limiting mechanism of the present invention;

fig. 4 is a schematic structural diagram of a limiting plate of the present invention;

fig. 5 is a schematic structural view of a limiting plate according to a first embodiment of the present invention;

fig. 6 is a schematic structural diagram of an interchangeable limit valve bracket according to a first embodiment of the present invention;

fig. 7 is a schematic connection diagram of an interchangeable limit valve bracket according to a first embodiment of the present invention;

fig. 8 is a schematic structural view of an interchangeable limit valve bracket according to a second embodiment of the present invention;

fig. 9 is a schematic structural view of a third limiting plate according to the embodiment of the present invention;

fig. 10 is a schematic connection diagram of an interchangeable limit valve bracket according to a third embodiment of the present invention;

fig. 11 is a schematic structural view of an interchangeable limit valve bracket according to a fourth embodiment of the present invention;

fig. 12 is a schematic view of a telescopic sleeve hydraulic cylinder according to the present invention;

fig. 13 is a side view of fig. 12.

Reference numerals:

1-a stent body; 11-a connecting plate; 12-a first mounting hole; 13-a second mounting hole; 14-a third mounting hole; 15-a third connection hole; 16-mounting grooves; 17-a second connection hole;

2-a limiting mechanism; 21-a limiting plate; 22-a first connection hole; 23-a first arc-shaped opening; 24-a first bayonet; 25-a second arcuate opening; 26-a second bayonet; 27-threads;

3-four-hole limit valve; 31-a first screw; 32-a lock nut; 33-shim.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout.

In the description of the present invention, it should be noted that, for the orientation words, such as the terms "center", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the orientation and the positional relationship are indicated based on the orientation or the positional relationship shown in the drawings, and the description is only for convenience of describing the present invention and simplifying the description, but not for indicating or implying that the device or the element referred to must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific protection scope of the present invention.

Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and "a plurality" or "a plurality" in the description of the invention means two or more unless a specific definition is explicitly provided.

The technical solution and the advantages of the present invention will be more clear and clear by further describing the embodiments of the present invention with reference to the drawings of the specification. The embodiments described below are exemplary and are intended to be illustrative of the present invention, but should not be construed as limiting the invention.

Referring to fig. 1, the utility model provides an interchangeability limit valve bracket, which comprises a bracket body 1 and two limit mechanisms 2; the bracket body 1 is provided with two first mounting holes 12, a second mounting hole 13, a third mounting hole 14 and a mounting groove 16; the two first mounting holes 12 and the third mounting hole 14 are matched with the first screws 31 of the four-hole limiting valve 3; the second mounting hole 13 is matched with a second screw of the three-hole limiting valve; the mounting groove 16 can be used for a first screw 31 and a second screw to pass through; specifically, the two sides of the bracket body 1 are provided with connecting plates 11.

Referring to fig. 2, 3 and 4, one of the limiting mechanisms 2 is installed at the third installation hole 14, and the other limiting mechanism 2 is installed at the installation groove 16; the limiting mechanism 2 comprises two limiting plates 21 which are oppositely arranged, a first arc-shaped opening 23 is formed in one side of each limiting plate 21, and a second arc-shaped opening 25 is formed in the other side of each limiting plate 21; when the first arc-shaped openings 23 of the two limiting plates 21 of the limiting mechanism 2 are connected, the two first arc-shaped openings 23 are spliced into a first bayonet 24 matched with the first screw 31; when the second arc-shaped openings 25 of the two limiting plates 21 of the limiting mechanism 2 are connected, the two second arc-shaped openings 25 are spliced into a second bayonet 26 matched with the second screw.

The present invention will be further explained by the following examples

Example one

Referring to fig. 5 and 6, in the present embodiment, the interchangeable limit valve bracket is connected to the four-hole limit valve 3. The interchangeability limit valve bracket comprises a bracket body 1 and two limit mechanisms 2; the bracket body 1 is provided with two first mounting holes 12, a second mounting hole 13, a third mounting hole 14 and a mounting groove 16; the two first mounting holes 12 and the third mounting hole 14 are matched with the first screws 31 of the four-hole limiting valve 3; the second mounting hole 13 is matched with a second screw of the three-hole limiting valve; the mounting groove 16 can be used for a first screw 31 and a second screw to pass through; specifically, the two sides of the bracket body 1 are provided with connecting plates 11. Wherein, the two first mounting holes 12 are positioned at the upper side of the bracket body 1; the third mounting hole 14 and the mounting groove 16 are positioned at the lower side of the bracket body 1; the second mounting hole 13 is located between the two first mounting holes 12. The first mounting hole 12, the second mounting hole 13 and the third mounting hole 14 are all through holes.

In the embodiment, the interchangeability limit valve bracket only needs to install one limit mechanism 2 at the installation groove 16, the limit mechanism 2 comprises two limit plates 21 which are oppositely arranged, one side of each limit plate 21 is provided with a first arc-shaped opening 23, and the other side of each limit plate 21 is provided with a second arc-shaped opening 25; specifically, when the first arc-shaped openings 23 of the two limiting plates 21 are connected, the two first arc-shaped openings 23 are spliced into the first bayonet 24 matched with the first screw 31.

In this embodiment, the limiting plate 21 is provided with two first connection holes 22 respectively located on the upper side and the lower side of the limiting plate 21. Specifically, the limit plate 21 is mounted to the stand body 1 through the first connection hole 22 and a fastener (screw). Correspondingly, 8 second connecting holes 17 which can be connected with the fastening piece are arranged beside the mounting groove 16 and are uniformly arranged at the upper side and the lower side of the mounting groove 16.

Referring to fig. 7, during installation, four first screws 31 of the four-hole limit valve 3 are respectively inserted into the two corresponding first mounting holes 12, the third mounting hole 14 and the first bayonet 24, and then are locked by the locking nuts 32 and the gaskets 33, so that the four-hole limit valve 3 can be fixedly connected with the interchangeable limit valve bracket.

Example two

Referring to fig. 8, this embodiment has substantially the same structure as the first embodiment except that in this embodiment, an interchangeable limit valve holder is connected to a three-hole limit valve.

In the embodiment, the interchangeable limit valve bracket needs two limit mechanisms 2, wherein one limit mechanism 2 is arranged at the third mounting hole 14, and the other limit mechanism 2 is arranged at the mounting groove 16; when the second arc-shaped openings 25 of the two limiting plates 21 of the limiting mechanism 2 installed at the third installation hole 14 and the installation groove 16 are connected, the two second arc-shaped openings 25 are spliced into a second bayonet 26 matched with the second screw.

Specifically, 4 third connecting holes 15 which can be connected with fasteners are arranged beside the third mounting hole 14 and are uniformly arranged on the upper side and the lower side of the third mounting hole 14.

During installation, three second screws of the three-hole limiting valve are respectively inserted into the corresponding second mounting hole 13, the corresponding third mounting hole 14 and the corresponding first bayonet 24, and then are locked through the locking nut 32 and the gasket 33, so that the three-hole limiting valve can be fixedly connected with the interchangeability limiting valve bracket.

EXAMPLE III

Referring to fig. 9 and 10, the present embodiment is substantially the same as the first embodiment except that the first, second and third mounting holes 12, 13 and 14 are all screw holes. The first arc-shaped opening 23 and the second arc-shaped opening 25 of the limiting plate 21 are provided with threads 27. Since the first screw 31 can be screwed with a corresponding screw hole or the first bayonet 24 having the thread 27, the lock nut 32 and the washer 33 can be omitted.

Example four

Referring to fig. 11, the structure of the present embodiment is substantially the same as that of the second embodiment, except that the first mounting hole 12, the second mounting hole 13 and the third mounting hole 14 are all screw holes in the present embodiment. The first arc-shaped opening 23 and the second arc-shaped opening 25 of the limiting plate 21 are provided with threads 27. The lock nut 32 and the washer 33 can be omitted since the second screw can be screwed with a corresponding screw hole or the second bayonet 26 with the thread 27.

Referring to fig. 12 and 13, the present invention further discloses a telescopic sleeve hydraulic cylinder, wherein the telescopic sleeve hydraulic cylinder is provided with an interchangeability limit valve bracket as above, and the interchangeability limit valve bracket is provided with four-hole limit valve 3 or three-hole limit valve.

In the description of the specification, reference to the description of "one embodiment," "preferably," "an example," "a specific example" or "some examples" or the like 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 invention, and schematic representations of the terms in this specification 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.

With the above structure and principle in mind, those skilled in the art should understand that the present invention is not limited to the above embodiments, and all modifications and substitutions based on the present invention and adopting the known technology in the art are within the scope of the present invention, which should be limited by the claims.

Claims (9)

1. The utility model provides a spacing valve support of interchangeability, includes support body (1), its characterized in that: the device also comprises two limiting mechanisms (2);

the bracket body (1) is provided with two first mounting holes (12), a second mounting hole (13), a third mounting hole (14) and a mounting groove (16); the two first mounting holes (12) and the third mounting hole (14) are matched with first screws (31) of the four-hole limiting valve (3); the second mounting hole (13) is matched with a second screw of the three-hole limiting valve; the mounting groove (16) can be used for a first screw (31) and a second screw to pass through;

one limiting mechanism (2) is arranged at the third mounting hole (14), and the other limiting mechanism (2) is arranged at the mounting groove (16); the limiting mechanism (2) comprises two limiting plates (21) which are arranged oppositely, a first arc-shaped opening (23) is formed in one side of each limiting plate (21), and a second arc-shaped opening (25) is formed in the other side of each limiting plate (21); when the first arc-shaped openings (23) of the two limiting plates (21) of the limiting mechanism (2) are connected, the two first arc-shaped openings (23) are spliced into a first bayonet (24) matched with the first screw (31); when the second arc-shaped openings (25) of the two limiting plates (21) of the limiting mechanism (2) are connected, the two second arc-shaped openings (25) are spliced into a second bayonet (26) matched with the second screw.

2. The interchangeability limit valve carrier of claim 1, where: be provided with first connecting hole (22) on limiting plate (21), limiting plate (21) are installed in support body (1) through first connecting hole (22) and fastener.

3. The interchangeability limit valve carrier of claim 2, where: a plurality of second connecting holes (17) which can be connected with the fastening piece are arranged beside the mounting groove (16).

4. The interchangeability limit valve carrier of claim 2, where: and a plurality of third connecting holes (15) which can be connected with the fastening piece are arranged beside the third mounting hole (14).

5. The interchangeability limit valve carrier of claim 1, where: the first mounting hole (12) and the second mounting hole (13) are through holes, and the first screw (31) and the second screw are both provided with a locking nut (32) and a gasket (33).

6. The interchangeability limit valve carrier of claim 1, where: first mounting hole (12) and second mounting hole (13) are the screw, first arc opening (23) department and second arc opening (25) department of limiting plate (21) all are provided with screw thread (27).

7. The interchangeability limit valve carrier of claim 1, where: the third mounting hole (14) is a through hole or a screw hole.

8. The interchangeability limit valve carrier of claim 1, where: connecting plates (11) are arranged on two sides of the support body (1).

9. The utility model provides a telescopic sleeve pneumatic cylinder which characterized in that: the telescopic sleeve hydraulic cylinder is provided with the interchangeability limit valve bracket as claimed in any one of claims 1-8, and the interchangeability limit valve bracket is provided with a four-hole limit valve (3) or a three-hole limit valve.

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