Pump cover for petrochemical pump

Abstract

The utility model relates to the technical field of pump covers for petrochemical pumps, in particular to a pump cover for a petrochemical pump, which can improve the sealing effect of an access cover and a device cover, effectively avoid blocking the sight of a maintainer and bring convenience to the maintenance of a motor. Comprising a device cover, a base is arranged at the bottom of the device cover, heat dissipation holes are formed in the right end of the device cover, a second device cover is arranged at the top end of the left side of the device cover, an access hole is formed in the top end of the device cover and penetrates through the right end of the device cover, and the access cover slidably covers the access hole by being matched with a U-shaped sealing groove; the top end of the access cover is matched with the top end of the device cover, the baffle is matched with the sinking groove in size, a pin hole is formed in the middle of the sinking groove, a T-shaped pin shaft is arranged in the middle of the baffle in a sliding mode, the bottom of the T-shaped pin shaft is inserted into the pin hole, the T-shaped pin shaft is sleeved with a spring, and the upper end and the lower end of the spring are fixedly connected with the T-shaped pin shaft and the baffle respectively.

Description

Technical Field

[0001] The utility model relates to the technical field of a pump cover for a petrochemical pump, in particular to a pump cover for a petrochemical pump. Background Art

[0002] The petrochemical pump is an energy-saving pump jointly designed by the whole country. The whole series of hydraulic performance is reasonably arranged and the user has a wide range of choices. Therefore, a pump cover for petrochemical pump is indispensable.

[0003] Conventional pump covers for petrochemical pumps mostly adopt a single structure, which requires that the entire cover be removed when the motor needs to be repaired, causing inconvenience and reducing the efficiency of use.

[0004] After searching, the patent publication number CN212250593U discloses a pump cover for a petrochemical pump. The pump cover for the petrochemical pump is provided with a sub-cover, so that the sub-cover can be rotated to a suitable position through a first rotating rod, and the internal motor can be repaired and maintained, which is convenient for the staff's operation and improves the use efficiency of the device. However, when the motor inside the device cover is repaired and maintained, the sub-cover is opened by rotation and covered on the device cover by its own gravity, so that there is a problem of poor sealing effect between the sub-cover and the device cover. Moreover, during maintenance, after the sub-cover is opened, a part of the device cover is still blocked on the upper right side of the motor. In addition, the sub-cover is in a vertical state and cannot be removed, which easily blocks the sight of the maintenance personnel and brings inconvenience to the motor maintenance. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a pump cover for a petrochemical pump which can improve the sealing effect of the inspection cover and the device cover, effectively avoid obstruction of the sight of maintenance personnel, and bring convenience to motor maintenance.

[0006] Technical Solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a pump cover for a petrochemical pump, comprising a device cover and a sliding cover mechanism, wherein a base is provided at the bottom of the device cover, a heat dissipation hole is provided at the right end of the device cover, and a second device cover is provided at the top left side of the device cover, and the sliding cover mechanism comprises an inspection cover, an inspection port is provided at the top of the device cover, the inspection port runs through the right end of the device cover, a sink groove is provided at the right end of the inspection port, a U-shaped sealing groove is provided on the inner wall of the inspection port, a U-shaped sealing strip is fixedly connected inside the U-shaped sealing groove, the inspection cover is mounted on the inspection port through a sliding cover that cooperates with the U-shaped sealing groove, a baffle is fixedly connected to the right end of the inspection cover, the baffle covers the sink groove, and the top of the inspection cover is consistent with the top of the device cover, the size of the baffle is consistent with the sink groove, a pin hole is provided in the middle of the sink groove, a T-shaped pin shaft is slidably provided in the middle of the baffle, the bottom of the T-shaped pin shaft is inserted in the pin hole, a spring is mounted on the T-shaped pin shaft, and the upper and lower ends of the spring are respectively fixedly connected to the T-shaped pin shaft and the baffle.

[0008] Preferably, a handle is fixedly connected to the right end of the baffle.

[0009] Preferably, the inspection cover is provided with an observation port, and an observation window is installed on the observation port.

[0010] Preferably, a non-slip handle cover is fixed on the outer wall of the hand-held handle.

[0011] Preferably, a pull ring is fixedly connected to the top end of the T-shaped pin.

[0012] The U-shaped sealing groove is used to seal the cover, and the U-shaped sealing groove is used to seal the cover. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the axonometric structure of the utility model;

[0014] Figure 2 It is a schematic diagram of a partial axonometric cross-sectional structure of the utility model;

[0015] Figure 3It is a schematic diagram of the partial axonometric structure of the utility model after the inspection cover is removed;

[0016] Figure 4 It is a partial axonometric structural diagram of the sliding cover mechanism in the utility model;

[0017] Figure 5 It is a schematic diagram of the axonometric structure of the T-shaped pin and the spring in the utility model;

[0018] Markings in the attached figure: 1. Device cover; 2. Base; 3. Heat dissipation hole; 4. Inspection port; 5. U-shaped sealing groove; 6. Sink groove; 7. U-shaped sealing strip; 8. Inspection cover; 9. Baffle; 10. Pin hole; 11. T-shaped pin shaft; 12. Spring; 13. Handle; 14. Observation window; 15. Anti-slip handle; 16. Pull ring. DETAILED DESCRIPTION

[0019] The following is a further detailed description of the specific implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0020] Example

[0021] See also Figure 1-Figure 5The utility model is a pump cover for a petrochemical pump, comprising a device cover 1, a base 2 is arranged at the bottom of the device cover 1, a heat dissipation hole 3 is arranged at the right end of the device cover 1, a second device cover is arranged at the top of the left side of the device cover 1, an inspection port 4 is arranged at the top of the device cover 1, the inspection port 4 runs through the right end of the device cover 1, a sink 6 is arranged at the right end of the inspection port 4, a U-shaped sealing groove 5 is arranged on the inner wall of the inspection port 4, a U-shaped sealing strip 7 is fixedly connected to the inside of the U-shaped sealing groove 5, and an inspection cover 8 is connected to the U-shaped sealing groove 5 by a U-shaped sealing strip 7. The matching sliding cover is installed on the inspection port 4, and the right end of the inspection cover 8 is fixedly connected with a baffle 9, which covers the sink 6, and the top of the inspection cover 8 coincides with the top of the device cover 1, and the size of the baffle 9 coincides with the sink 6. A pin hole 10 is provided in the middle of the sink 6, and a T-shaped pin shaft 11 is slidably provided in the middle of the baffle 9. The bottom of the T-shaped pin shaft 11 is inserted in the pin hole 10, and a spring 12 is sleeved on the T-shaped pin shaft 11. The upper and lower ends of the spring 12 are fixedly connected to the T-shaped pin shaft 11 and the baffle 9 respectively; when in use, The inspection cover 8 is mounted on the inspection port 4 by slidingly cooperating with the U-shaped sealing groove 5. When the inspection cover 8 is slidably inserted into the U-shaped sealing groove 5, the U-shaped sealing strip 7 is squeezed to enhance the sealing between the inspection cover 8 and the U-shaped sealing groove 5. The bottom of the T-shaped pin 11 is inserted into the pin hole 10 under the action of the spring 12, which plays a role in limiting the baffle 9 and preventing the inspection cover 8 from opening by itself, thereby improving the sealing effect between the inspection cover and the device cover. During maintenance, the staff pushes the T-shaped pin 11 to Pull up to disengage the T-shaped pin 11 from the pin hole 10, and then pull the baffle 9 to the right, so that the baffle 9 drives the inspection cover 8 to slide to the right along the U-shaped sealing groove 5, and remove the inspection cover 8 from the inspection port 4, so that the inspection port 4 is fully opened, and then the motor can be repaired and maintained. After the maintenance, the inspection cover 8 is closed again, and the T-shaped pin 11 is reinserted into the pin hole 10, thereby effectively avoiding obstruction of the maintenance personnel's line of sight and bringing convenience to the motor maintenance.

[0022] The right end of the baffle plate 9 is fixedly connected with a handle 13; by providing the handle 13, the baffle plate 9 can be conveniently pulled by the handle 13, making the inspection cover 8 more convenient when opening and closing.

[0023] The inspection cover 8 is provided with an observation port, and an observation window 14 is installed on the observation port; by providing the observation window 14, it is convenient to observe the operation status inside the device cover 1, so as to open the inspection cover 8 in time for inspection.

[0024] An anti-skid handle sleeve 15 is fixedly sleeved on the outer wall of the hand-held handle 13 ; by providing the anti-skid handle sleeve 15 , it is possible to prevent the hand from slipping when the inspection cover 8 is pulled by the hand-held handle 13 .

[0025] The top end of the T-shaped pin 11 is fixedly connected with a pull ring 16 ; by providing the pull ring 16 , the T-shaped pin 11 can be more convenient to pull.

[0026] The utility model is a kind of pump cover for petrochemical pump, and its working principle is that when in use, the inspection cover 8 is mounted on the inspection port 4 through the sliding cover cooperating with the U-shaped sealing groove 5, and when the inspection cover 8 is slidably inserted into the U-shaped sealing groove 5, the U-shaped sealing strip 7 is squeezed to enhance the sealing between the inspection cover 8 and the U-shaped sealing groove 5, and the bottom of the T-shaped pin shaft 11 is inserted in the pin hole 10 under the action of the spring 12, which plays a role in limiting the baffle 9, preventing the inspection cover 8 from opening automatically, thereby improving The sealing effect of the inspection cover and the device cover is that during maintenance, the staff pulls up the T-pin 11 to disengage the T-pin 11 from the pin hole 10, and then pulls the baffle 9 to the right, so that the baffle 9 drives the inspection cover 8 to slide to the right along the U-shaped sealing groove 5, and removes the inspection cover 8 from the inspection port 4 to fully open the inspection port 4, and then the motor can be repaired and maintained. After the maintenance, the inspection cover 8 is closed again, and the T-pin 11 is reinserted into the pin hole 10.

[0027] The utility model is a pump cover for a petrochemical pump, and its installation method, connection method or setting method are all common mechanical methods, and can be implemented as long as they can achieve their beneficial effects; the device cover, base, heat dissipation holes and second device cover in the utility model are all from a pump cover for a petrochemical pump disclosed in patent publication number CN212250593U, which belongs to the prior art, and its specific structure and internal composition have been disclosed in the patent, so no excessive elaboration is made here.

[0028] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A pump cover for a petrochemical pump, comprising a device cover (1), characterized in that: Also included is a sliding cover mechanism; A device cover (1), wherein a base (2) is provided at the bottom of the device cover (1), a heat dissipation hole (3) is provided at the right end of the device cover (1), and a second device cover is provided at the top left end of the device cover (1); A sliding cover mechanism, the sliding cover mechanism comprising an inspection cover (8), a top end of a device cover (1) is provided with an inspection opening (4), the inspection opening (4) penetrates the right end of the device cover (1), a sink groove (6) is provided at the right end of the inspection opening (4), a U-shaped sealing groove (5) is provided on the inner wall of the inspection opening (4), a U-shaped sealing strip (7) is fixedly connected inside the U-shaped sealing groove (5), the inspection cover (8) is mounted on the inspection opening (4) by sliding the cover in cooperation with the U-shaped sealing groove (5), and a baffle (7) is fixedly connected at the right end of the inspection cover (8) 9), the baffle (9) covers the sink (6), and the top of the inspection cover (8) matches the top of the device cover (1), the size of the baffle (9) matches the sink (6), a pin hole (10) is provided in the middle of the sink (6), a T-shaped pin shaft (11) is slidably provided in the middle of the baffle (9), the bottom of the T-shaped pin shaft (11) is inserted in the pin hole (10), a spring (12) is sleeved on the T-shaped pin shaft (11), and the upper and lower ends of the spring (12) are respectively fixedly connected to the T-shaped pin shaft (11) and the baffle (9).

2. A pump cover for a petrochemical pump as claimed in claim 1, characterized in that: The right end of the baffle (9) is fixedly connected with a hand-held handle (13).

3. A pump cover for a petrochemical pump as claimed in claim 2, characterized in that: The inspection cover (8) is provided with an observation port, and an observation window (14) is installed on the observation port.

4. A pump cover for a petrochemical pump as claimed in claim 3, characterized in that: An anti-slip handle cover (15) is fixedly mounted on the outer wall of the hand-held handle (13).

5. A pump cover for a petrochemical pump as claimed in claim 4, characterized in that: A pull ring (16) is fixedly connected to the top end of the T-shaped pin shaft (11).

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