CN211174597U

CN211174597U - Fixed shaft structure of sliding vane pump

Info

Publication number: CN211174597U
Application number: CN201921986642.8U
Authority: CN
Inventors: 周文菊
Original assignee: Shitong Haitai Pump Industry Tianjin Co ltd
Current assignee: Shitong Haitai Pump Industry Tianjin Co ltd
Priority date: 2019-11-18
Filing date: 2019-11-18
Publication date: 2020-08-04
Anticipated expiration: 2029-11-18

Abstract

The utility model discloses a sliding vane pump fixed axle structure relates to sliding vane pump technical field. This fixed axle construction of gleitbretter pump, including the gleitbretter pump body, one side of gleitbretter pump body is fixed with fixed cover through the bolt, has seted up first mounting groove and second mounting groove in the fixed cover, and first mounting groove and second mounting groove intercommunication to first mounting groove and second mounting groove are the echelonment, and fixed cover internal rotation is provided with the fixed axle. This gleitbretter pump fixed axle structure, during the use, can install the fixed axle, go into the retaining ring inslot with spacing retaining ring card again, can carry on spacingly to spacing disk, carry on spacingly promptly to the fixed axle, avoid in the use, the fixed axle takes place the drunkenness, promote stability, and simultaneously, bearing and seal cover also can realize spacing to the fixed axle, the sealing washer of setting passes through the lug, realize the stable laminating to the seal cover, through the sealing washer that sets up, can realize the sealing of seal cover and fixed cover, the sealed effect has been strengthened.

Description

Fixed shaft structure of sliding vane pump

Technical Field

The utility model relates to a sliding vane pump technical field specifically is a sliding vane pump fixed axle structure.

Background

The sliding vane pump is also called vane pump, scraper pump and scraper pump. The pump body, the inner rotor, the stator, the pump cover and the sliding vane are formed. The working principle is that centrifugal force is used for enabling the sliding sheet to be tightly attached to the eccentric stator, the cavity between two sliding sheets at the inlet is increased, liquid is absorbed, and the cavity between two sliding sheets at the outlet is decreased, and liquid is discharged. The rotor is a cylinder with radial slots, slide sheets are arranged in the slots, and the slide sheets can freely slide in the slots. The rotor is eccentrically arranged in the pump body, and when the rotor is driven by the prime motor to rotate, the sliding sheet is tightly pressed on the inner wall of the pump body by virtue of centrifugal force or spring force. In the first half of the rotor rotation, the space surrounded by two adjacent blades is gradually enlarged to form partial vacuum to suck liquid. Then, half a turn, the space is gradually reduced to press the liquid and to press the liquid into the discharge pipe. However, when the conventional sliding vane pump fixing shaft is used, the axial movement of the fixing shaft is serious when external fan blades on the fixing shaft are exchanged in the forward direction and the reverse direction, the use quality of the sliding vane pump is affected, and meanwhile, lubricating oil used for bearings in the conventional sliding vane pump fixing shaft is easy to leak, so that the bearings are damaged, and the requirement of a user on the sliding vane pump fixing shaft cannot be met.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a gleitbretter pump fixed axle structure is through setting up spacing retaining ring for retaining ring card goes into the retaining ring inslot, carries on spacingly to spacing disk, has avoided the fixed axle in the use, takes place the drunkenness, promotes the security, and simultaneously, the sealing washer of setting can seal, and lug on the sealing washer is located the recess, makes the sealing washer and the stable being connected of seal cover, avoids the sealing washer to seal tightly, causes lubricating oil to leak.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a gleitbretter pump fixed axle structure, includes the gleitbretter pump body, one side of gleitbretter pump body is fixed with fixed cover through the bolt fastening, first mounting groove and second mounting groove have been seted up in the fixed cover, and first mounting groove and second mounting groove intercommunication to first mounting groove and second mounting groove are the echelonment, fixed cover internal rotation is provided with the fixed axle, the welding has spacing circle piece on the outer wall of fixed axle, the cover is equipped with spacing retaining ring on the outer wall of fixed axle, in the first mounting groove of spacing retaining ring embedding, the outside embedding of spacing retaining ring the opposite side cover that lies in spacing retaining ring on the outer wall of fixed axle is equipped with the bearing, the cover is equipped with the seal cover on the outer wall of fixed axle, and the seal cover passes through the bolt and fixes.

Preferably, the ring groove is embedded with a sealing ring, one side of the sealing ring extends to be provided with a convex block, and the convex block is positioned in the groove.

Preferably, the sealing ring is located in the second mounting groove, and the sealing ring is attached to the bearing.

Preferably, a retainer ring groove is formed in the inner wall of the first mounting groove and is matched with the limiting retainer ring.

Preferably, the limiting round block, the limiting check ring and the bearing are all located in the first mounting groove, and two sides of the limiting check ring are respectively attached to the limiting round block and the bearing.

Preferably, the fixing sleeve is T-shaped, and a mounting hole is formed in the fixing sleeve along the horizontal direction.

The utility model provides a sliding vane pump fixed axle structure. The method has the following beneficial effects:

(1) This gleitbretter pump fixed axle structure during the use, can install the fixed axle, go into the retaining ring inslot with spacing retaining ring card again, can carry on spacingly to spacing disk, carry on spacingly to the fixed axle promptly, avoid in the use, the fixed axle takes place the drunkenness, promotes stability, and simultaneously, bearing and seal cover also can realize spacing to the fixed axle.

(2) This gleitbretter pump fixed axle structure, the sealing washer of setting passes through the lug, realizes the stable laminating to the seal cover, and through the sealing washer that sets up, can realize the sealed of seal cover with fixed cover, has strengthened sealed effect.

Drawings

FIG. 1 is a schematic view of the present invention;

Fig. 2 is a sectional view of the fixing sleeve of the present invention;

Fig. 3 is a side view of the fixing sleeve of the present invention;

Fig. 4 is a schematic view of the fixing shaft of the present invention;

Fig. 5 is a schematic view of the sealing ring of the present invention;

Fig. 6 is a schematic view of the sealing sleeve of the present invention.

In the figure: 1. a sliding vane pump body; 2. fixing a sleeve; 201. a first mounting groove; 202. a second mounting groove; 203. a retainer groove; 3. a fixed shaft; 301. a pin slot; 4. a limiting round block; 5. a limit retainer ring; 6. a bearing; 7. a seal ring; 8. sealing sleeves; 801. a ring groove; 802. a groove; 9. and (4) a bump.

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.

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 function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: a fixed shaft structure of a sliding vane pump comprises a sliding vane pump body 1, wherein a fixed sleeve 2 is fixed on one side of the sliding vane pump body 1 through bolts, a first installation groove 201 and a second installation groove 202 are formed in the fixed sleeve 2, the first installation groove 201 is communicated with the second installation groove 202, the first installation groove 201 and the second installation groove 202 are in a step shape, a fixed shaft 3 is rotatably arranged in the fixed sleeve 2, a limiting round block 4 is welded on the outer wall of the fixed shaft 3, a limiting check ring 5 is sleeved on the outer wall of the fixed shaft 3, the limiting check ring 5 is in a ring shape, the limiting round block 4 can be limited by clamping the limiting check ring 5 into a check ring groove 203, namely, the fixed shaft 3 is limited, the fixed shaft 3 is prevented from moving in the using process, the limiting check ring 5 is embedded into the first installation groove 201, a bearing 6 is sleeved on the other side, positioned on the limiting check ring 5, the outer wall of the fixed shaft 3 is sleeved with a sealing sleeve 8, the sealing sleeve 8 is fixed with the fixed sleeve 2 through a bolt, and the outer wall of the fixed shaft 3 is positioned on the outer side of the fixed sleeve 2 and provided with a pin slot 301.

The designer is embedded at annular 801 and is equipped with sealing washer 7, and one side extension of sealing washer 7 is provided with lug 9, and lug 9 is located recess 802, make sealing washer 7 can be inseparable laminate with seal cover 8, sealing washer 7 is located second mounting groove 202, and sealing washer 7 and the laminating of bearing 6, stop ring groove 203 has been seted up on the inner wall of first mounting groove 201, and stop ring groove 203 and spacing retaining ring 5 phase-match, spacing circle 4, spacing retaining ring 5 and bearing 6 all are located first mounting groove 201, and the both sides of spacing retaining ring 5 laminate with spacing circle 4 and bearing 6 respectively, fixed cover 2 is the T shape, and the mounting hole has been seted up along the horizontal direction in fixed cover 2, in order to realize the installation of gleitbretter pump body 1 and fixed cover 2 through the mounting hole.

During the use, the user installs fixed axle 3, at this moment, spacing circular block 4 can be located first mounting groove 201, overlap spacing retaining ring 5 on fixed axle 3, make spacing retaining ring 5 insert in retaining ring groove 203, spacing retaining ring 5 can be spacing to spacing circular block 4, at installation bearing 6 and seal cover 8, through spacing retaining ring 5, bearing 6 and seal cover 8, it is spacing to the stability of spacing circular block 4 has been realized, can prevent that fixed axle 3 from taking place the drunkenness when using, promote the security, the sealing washer 7 and the laminating of seal cover 8 that set up, lug 9 is located recess 802, make sealing washer 7 can with the stable laminating of seal cover 8, sealing washer 7 realizes the sealed between fixed cover 2 and the seal cover 8 simultaneously.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a sliding vane pump fixed axle structure, includes sliding vane pump body (1), its characterized in that: one side of the sliding vane pump body (1) is fixed with a fixed sleeve (2) through a bolt, a first mounting groove (201) and a second mounting groove (202) are formed in the fixed sleeve (2), the first mounting groove (201) is communicated with the second mounting groove (202), the first mounting groove (201) and the second mounting groove (202) are in a step shape, a fixed shaft (3) is arranged in the fixed sleeve (2) in a rotating mode, a limiting round block (4) is welded on the outer wall of the fixed shaft (3), a limiting check ring (5) is sleeved on the outer wall of the fixed shaft (3), the limiting check ring (5) is embedded in the first mounting groove (201), a bearing (6) is sleeved on the other side, located on the limiting check ring (5), of the outer wall of the fixed shaft (3), a sealing sleeve (8) is sleeved on the outer wall of the fixed shaft (3), and the sealing sleeve (8) is fixed with the fixed sleeve (2) through a bolt, and the outer wall of the fixed shaft (3) is positioned on the outer side of the fixed sleeve (2) and is provided with a pin slot (301).

2. A sliding vane pump fixed shaft construction as claimed in claim 1, wherein: an annular groove (801) is formed in the sealing sleeve (8), and grooves (802) are uniformly formed in the annular groove (801).

3. A sliding vane pump fixed shaft construction as claimed in claim 2, wherein: the embedded sealing washer (7) that is equipped with of annular (801), and one side extension of sealing washer (7) is provided with lug (9) to lug (9) are located recess (802).

4. A sliding vane pump fixed shaft construction as claimed in claim 3, wherein: and the sealing ring (7) is positioned in the second mounting groove (202), and the sealing ring (7) is attached to the bearing (6).

5. A sliding vane pump fixed shaft construction as claimed in claim 1, wherein: and a retainer ring groove (203) is formed in the inner wall of the first mounting groove (201), and the retainer ring groove (203) is matched with the limiting retainer ring (5).

6. A sliding vane pump fixed shaft construction as claimed in claim 1, wherein: spacing circle piece (4), spacing retaining ring (5) and bearing (6) all are located first mounting groove (201), and the both sides of spacing retaining ring (5) laminate with spacing circle piece (4) and bearing (6) respectively.

7. A sliding vane pump fixed shaft construction as claimed in claim 1, wherein: the fixing sleeve (2) is T-shaped, and a mounting hole is formed in the fixing sleeve (2) along the horizontal direction.