CN220227155U - Hydraulic pump with good sealing effect - Google Patents

Abstract

The utility model discloses a hydraulic pump with good sealing effect, which comprises a first cavity shell and a second cavity shell, wherein a clamping connector is arranged on the central axis of the first cavity shell, the second cavity shell comprises a transverse connecting shell and a transverse fixing shell, and the transverse connecting shell and the transverse fixing shell are driven to clamp the clamping connector. The hydraulic pump with good sealing effect provided by the utility model utilizes the second cavity shell, and the clamping connector is fixed by the transverse connecting shell and the transverse fixing shell hoop during installation, so that the second cavity shell is limited by the non-movable clamping connector to improve the sealing effect when bearing high pressure, the leakage condition under the condition of high pressure for a long time is reduced, and the pushing force is given by the compression deformation of the elastic sealing ring during installation, so that the sealing effect is further enhanced.

Description

Hydraulic pump with good sealing effect

Technical Field

The utility model relates to the technical field of hydraulic pumps, in particular to a hydraulic pump with good sealing effect.

Background

The hydraulic pump is a power element for forming pressure oil discharge by sucking oil from an oil tank through rotation, and comprises a gear pump, a vane pump, a screw pump and the like.

According to patent number CN217842004U, publication (bulletin) day: 2022-11-18, discloses a hydraulic pump with good sealing effect, comprising: the hydraulic pump comprises a hydraulic pump body, an end cover arranged on the outer wall of the hydraulic pump body, an upper gear arranged at the top end of the inside of the hydraulic pump body, a lower gear arranged at the bottom end of the inside of the hydraulic pump body, a transmission shaft penetrating through the inside of the upper gear, and the transmission shaft extending to the outside of the hydraulic pump body through the end cover; two sealing rollers are arranged on two sides of the inside of the hydraulic pump body, sealing gaskets are arranged on the outer walls of the two sealing rollers, two sealing parts are annularly arranged on the inner walls of the two sealing rollers, an installation part is arranged between the two sealing parts, and the installation part extends to the space between the two sealing rollers; when the hydraulic pump is installed, the transmission shaft needs to penetrate through the sealing roller, and then the transmission shaft can squeeze the sealing portion through the effect of the sealing portion, so that the sealing portion can be clung to a gap between the sealing roller and the transmission shaft, and the sealing effect is achieved.

In the prior art including above-mentioned patent, in order to prevent fluid seepage need sealed cavity, and the hydraulic pump is connected the cavity shell through the cooperation of sealing washer and screw often to the fastening direction of screw is the same with the cavity shell installation direction, leads to the cavity shell can become flexible along the fastening direction of screw after long-time use, leads to the fluid seepage.

Disclosure of Invention

The utility model aims to provide a hydraulic pump with good sealing effect, and aims to solve the problem that a cavity shell can loosen along the fastening direction of a screw after long-time use.

In order to achieve the above object, the present utility model provides the following technical solutions: the utility model provides a sealed effectual hydraulic pump, includes first chamber shell and second chamber shell, be provided with the joint on the central axis of first chamber shell, the second chamber shell includes horizontal connection shell and horizontal fixed shell, horizontal connection shell with horizontal fixed shell is driven the staple bolt the joint.

Preferably, the extension parts are symmetrically arranged on the transverse fixing shell, the extension parts and the transverse connecting shell are respectively provided with a pushing ring, and the pushing rings are in driving fit with the clamping connector.

Preferably, an elastic sealing ring is sleeved between the clamping connector and the pushing ring, and the transverse fixing shell and the transverse connecting shell clamp the elastic sealing ring so as to drive the elastic sealing ring to deform and attach to the clamping connector and the pushing ring.

Preferably, triangular hollow grooves are symmetrically formed in the elastic sealing ring.

Preferably, the elastic sealing ring is internally provided with circular arc hollow grooves along the circumferential array of the triangular hollow grooves.

Preferably, the transverse connection shell is provided with a threaded hole, the transverse fixing shell is connected with a locking screw in a sliding mode, and the locking screw is connected to the threaded hole in a threaded mode.

Preferably, the elastic sealing ring is a rubber ring.

In the technical scheme, the hydraulic pump with good sealing effect has the following beneficial effects: utilize the second chamber shell, by horizontal coupling shell and horizontal fixed shell staple bolt fixed joint when the installation for the second chamber shell is when bearing high pressure by mobilizable joint restriction second chamber shell promotion sealed effect, in order to reduce the circumstances of leakage appearing under the long-time high pressure condition, and give by elastic seal circle compressive deformation when the installation and push against the power, further strengthened sealed effect.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

FIG. 1 is a schematic view of an embodiment of the present utility model;

FIG. 2 is an overall explosion schematic provided by an embodiment of the present utility model;

fig. 3 is a schematic overall cross-sectional view provided in an embodiment of the present utility model.

Reference numerals illustrate:

1. a first chamber housing; 11. a clamping joint; 2. a second chamber housing; 21. a transverse connecting shell; 211. extending into the shell; 212. a threaded hole; 22. a transverse fixing case; 221. an extension; 222. pushing the ring; 23. a locking screw; 32. an elastic sealing ring; 321. circular hollow groove; 322. triangular hollow grooves.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present disclosure more apparent, the technical solutions of the embodiments of the present disclosure will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present disclosure. It will be apparent that the described embodiments are some, but not all, of the embodiments of the present disclosure. All other embodiments, which can be made by one of ordinary skill in the art without the need for inventive faculty, are within the scope of the present disclosure, based on the described embodiments of the present disclosure.

As shown in fig. 1-3, the hydraulic pump with good sealing effect comprises a first cavity shell 1 and a second cavity shell 2, wherein a clamping connector 11 is arranged on the central axis of the first cavity shell 1, the second cavity shell 2 comprises a transverse connecting shell 21 and a transverse fixing shell 22, and the transverse connecting shell 21 and the transverse fixing shell 22 are driven to clamp the clamping connector 11.

Specifically, the device comprises a first cavity shell 1 and a second cavity shell 2, wherein a clamping connector 11 is arranged on the central axis of the first cavity shell 1, the second cavity shell 2 comprises a transverse connection shell 21 and a transverse fixing shell 22, an extending shell 211 is arranged on the transverse connection shell 21, and the extending shell 211 is an elastic shell; when the second cavity shell 2 is installed, the transverse connection shell 21 slides along the clamping connector 11, the elastic stretching-in shell 211 is attached to the inner wall of the first cavity shell 1, the transverse fixing shell 22 slides along the clamping connector 11, the clamping connector 11 is attached to the transverse connection shell 21, and the second cavity shell 2 is limited by the non-movable clamping connector 11 when bearing high pressure, so that the sealing effect of the second cavity shell 2 is improved, and leakage is reduced under the condition of long-time high pressure.

In the above technical scheme, the second cavity shell 2 is utilized, and the clamping connector 11 is fixed by the transverse connection shell 21 and the transverse fixing shell 22 in the mounting process, so that the second cavity shell 2 is limited by the non-movable clamping connector 11 when bearing high pressure, the sealing effect is improved, the leakage condition under the condition of long-time high pressure is reduced, and the pushing force is given by the compression deformation of the elastic sealing ring 32 in the mounting process, so that the sealing effect is further enhanced.

As a further provided embodiment, the symmetry is provided with extension 221 on the horizontal fixed shell 22, all be provided with on extension 221 and the horizontal connection shell 21 and push away the ring 222, push away the ring 222 laminating joint 11 when horizontal fixed shell 22 removes, the joint 11 is equipped with the elastic sealing washer 32 with pushing away between the ring 222, when the installation, horizontal fixed shell 22 and horizontal connection shell 21 are close to each other and fix in order to centre gripping elastic sealing washer 32, in order to drive the elastic sealing washer 32 to warp laminating joint 11 and push away the ring 222, triangle hollow groove 322 has been seted up to the symmetry in the elastic sealing washer 32, circular arc hollow groove 321 has been seted up along triangle hollow groove 322 circumference array in the elastic sealing washer 32, triangle hollow groove 322 plays the supporting role, keep the shape under high pressure environment, and circular arc hollow groove 321 can improve the deformability of elastic sealing washer 32 outer layer, in order to make elastic sealing washer 32 warp laminating joint 11 and push away the ring 222 play sealed effect.

As a further provided embodiment of the present utility model, the transverse connection housing 21 is provided with a threaded hole 212, the transverse fixing housing 22 is slidably connected with a locking screw 23, the locking screw 23 is screwed on the threaded hole 212, and the locking screw 23 is rotated to pull the transverse connection housing 21 and the transverse fixing housing 22.

As an embodiment of the present utility model, the elastic sealing ring 32 is made of rubber, has good elasticity and deformability, and is suitable for high-pressure environments.

Working principle: the transverse connection shell 21 slides along the clamping joint 11 at first, the elastic stretching-in shell 211 is attached to the inner wall of the first cavity shell 1, then the locking screw 23 is rotated to pull the transverse connection shell 21 and the transverse fixing shell 22 to attach the clamping hoop to fix the clamping joint 11 towards the transverse connection shell 21, so that the second cavity shell 2 is limited by the immovable clamping joint 11 to improve the sealing effect when bearing high pressure, the leakage condition under the condition of high pressure for a long time is reduced, the transverse fixing shell 22 and the transverse connection shell 21 are mutually close to be fixed to clamp the elastic sealing ring 32 to drive the elastic sealing ring 32 to deform and attach the clamping joint 11 and the pushing ring 222, and the elastic sealing ring 32 is pressed and deformed to give pushing force, so that the sealing effect is further enhanced.

While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.

Claims (7)

1. The hydraulic pump with the good sealing effect is characterized by comprising a first cavity shell (1) and a second cavity shell (2), wherein a clamping connector (11) is arranged on the central axis of the first cavity shell (1), the second cavity shell (2) comprises a transverse connection shell (21) and a transverse fixing shell (22), and the transverse connection shell (21) and the transverse fixing shell (22) are driven to be hooped by a clamping connector (11).

2. The hydraulic pump with good sealing effect according to claim 1, wherein extension parts (221) are symmetrically arranged on the transverse fixing shell (22), pushing rings (222) are arranged on the extension parts (221) and the transverse connecting shell (21), and the pushing rings (222) are in driving fit with the clamping joint (11).

3. The hydraulic pump with good sealing effect according to claim 2, wherein an elastic sealing ring (32) is sleeved between the clamping head (11) and the pushing ring (222), and the elastic sealing ring (32) is clamped by the transverse fixing shell (22) and the transverse connecting shell (21) so as to drive the elastic sealing ring (32) to deform and attach to the clamping head (11) and the pushing ring (222).

4. A hydraulic pump with good sealing effect according to claim 3, characterized in that triangular hollow grooves (322) are symmetrically arranged in the elastic sealing ring (32).

5. The hydraulic pump with good sealing effect according to claim 4, wherein the elastic sealing ring (32) is internally provided with circular arc hollow grooves (321) along the circumferential array of the triangular hollow grooves (322).

6. The hydraulic pump with good sealing effect according to claim 1, wherein the transverse connection shell (21) is provided with a threaded hole (212), the transverse fixing shell (22) is slidably connected with a locking screw (23), and the locking screw (23) is in threaded connection with the threaded hole (212).

7. A hydraulic pump with good sealing effect according to claim 3, characterized in that the elastic sealing ring (32) is a rubber ring.