CN215231592U

CN215231592U - Connection structure of blood pump case and pump case lid

Info

Publication number: CN215231592U
Application number: CN202120945977.6U
Authority: CN
Inventors: 张正明
Original assignee: Qingdao Damingzhou Precision Engineering Technology Co ltd
Current assignee: Qingdao Damingzhou Precision Engineering Technology Co ltd
Priority date: 2021-05-06
Filing date: 2021-05-06
Publication date: 2021-12-21
Anticipated expiration: 2031-05-06

Abstract

The utility model discloses a connection structure of a blood pump casing and a pump casing cover, which comprises a pump casing and a pump casing cover, wherein the top of the pump casing is provided with a first fixed part and a first connecting part, the top of the first connecting part is provided with a groove, the first fixed part is provided with a first threaded hole, the first connecting part is provided with a second threaded hole, one end of the bottom of the pump casing cover is provided with a second fixed part and a second connecting part, the second fixed part is provided with a third threaded hole, the second connecting part is provided with a fourth threaded hole, a first clamping groove is formed between the second fixed part and the second connecting part, the first clamping groove is internally provided with a back-off, the first threaded hole is provided with a shaft pin, the back-off clamping is embedded on the shaft pin, the first fixed part and the first connecting part form a second clamping groove, the utility model has novel structure, saves use cost, and effectively prevents the fracture of the connection part of the pump casing and the pump casing cover, avoid damaging the pump cap, it is convenient to install.

Description

Connection structure of blood pump case and pump case lid

Technical Field

The utility model relates to a pump case and pump cap's connection technical field specifically are a blood pump case and pump cap's connection structure.

Background

The traditional pump shell cover is composed of a pump shell cover and a link injection molding part, wherein the link injection molding part is fixed on the pump shell through screws.

The fracture phenomenon appears easily in the junction of current pump case and pump case lid to damage the pump case lid, use cost is high, and the installation is complicated simultaneously, increases manual operation. In view of the related technical problems, no effective solution has been proposed at present.

SUMMERY OF THE UTILITY MODEL

To the problem among the correlation technique, the utility model provides a connection structure of blood pump case and pump case lid to overcome the above-mentioned technical problem that current correlation technique exists, the utility model aims at practicing thrift use cost, effectively prevent the junction fracture of pump case and pump case lid, avoid damaging the pump case lid, it is convenient to install.

In order to achieve the above object, the utility model provides a following technical scheme: a connection structure of a blood pump casing and a pump casing cover comprises the pump casing and the pump casing cover, wherein a first fixing part and a first connecting part are arranged at the top of the pump casing, a groove is formed in the top of the first connecting part, a first threaded hole is formed in the first fixing part, a second threaded hole is formed in the first connecting part, a second fixing part and a second connecting part are arranged at one end of the bottom of the pump casing cover, a third threaded hole is formed in the second fixing part, a fourth threaded hole is formed in the second connecting part, two second fixing parts are respectively positioned at two sides of the second connecting part, a first clamping groove is formed between the second fixing part and the second connecting part, an inverted buckle is arranged inside the first clamping groove, a shaft pin is arranged on the first threaded hole, the shaft pin penetrates through the first threaded hole, the second threaded hole, the third threaded hole and the fourth threaded hole, and the pump casing cover is movably connected, the reverse buckle and the pump shell cover are of an integrated structure, the reverse buckle is clamped and embedded on the pivot pin, a clamping groove II is formed between the first fixing part and the first connecting part, the first fixing part is clamped and embedded in the first clamping groove, the reverse buckle is clamped and embedded in the second clamping groove, and the second connecting part is clamped and embedded in the groove.

Preferably, the first clamping groove is provided with two, and the second clamping groove is provided with two.

Preferably, the first fixing portions are provided with two, one end of the top of each first fixing portion is arc-shaped, and the two first fixing portions are located on two sides of the first connecting portion respectively.

Preferably, the first fixing part and the first connecting part are integrated with the pump shell respectively, and the second fixing part and the second connecting part are integrated with the pump shell cover respectively.

Preferably, the reverse buckle is in a circular arc structure.

Preferably, the outer surfaces of the first fixing part, the first connecting part, the second fixing part, the second connecting part and the reverse buckle are all provided with wear-resistant coatings.

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

(1) the utility model relates to a connection structure of a blood pump casing and a pump casing cover, which realizes the movable connection of the pump casing and the pump casing cover by designing an independent pin shaft at the connection part of the pump casing and the pump casing cover, wherein the pin shaft penetrates through a first threaded hole on a first fixed part, a second threaded hole on a first connecting part, a third threaded hole on the second fixed part and a fourth threaded hole on the second connecting part;

(2) the utility model relates to a connecting structure of a pump shell and a pump shell cover of a blood pump, which can directly separate the pump shell cover from the pump shell when the pump shell cover is forcibly opened, thereby preventing the fracture of the joint and saving the use cost;

(3) the utility model relates to a connection structure of blood pump case and pump cap through set up the back-off on the draw-in groove one at the pump case lid, installs the back that targets in place, opens the pump case lid and when excessively opening appears, can drop by oneself, avoids damaging the pump cap to the installation is simple, the card can on the pivot.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is an enlarged schematic view of a portion a of fig. 1.

In the reference symbols: 1. a pump housing; 101. a first fixing part; 102. a first connecting part; 103. a groove; 104. a second clamping groove; 2. a pump housing cover; 201. a second fixed part; 202. a second connecting part; 203. a first clamping groove; 3. reversing; 4. a pin.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Examples

Referring to fig. 1-2, the present invention provides a technical solution for a connection structure of a blood pump casing and a pump casing cover: a connection structure of a blood pump casing and a pump casing cover comprises a pump casing 1 and a pump casing cover 2, wherein a first fixing part 101 and a first connecting part 102 are arranged at the top of the pump casing 1, specifically, one ends of the tops of the first fixing part 101 and the first connecting part 102 are both arranged to be arc-shaped structures, the first fixing part 101 and the first connecting part 102 are arranged on the same horizontal line, a groove 103 is formed in the top of the first connecting part 102, a first threaded hole is formed in the first fixing part 101, a second threaded hole is formed in the first connecting part 102, specifically, the first fixing part 101 is provided with two sides respectively positioned at the first connecting part 102, a first threaded hole is formed in each of the two first fixing parts 101, two second threaded holes are respectively arranged at two sides of the groove 103, a second fixing part 201 and a second connecting part 202 are arranged at one end of the bottom of the pump casing cover 2, specifically, one ends of the tops of the second fixing part 201 and the second connecting part 202 are both arranged to be arc-shaped structures, the fixing portion II 201 and the connecting portion II 202 are arranged on the same horizontal line, a threaded hole III is formed in the fixing portion II 201, a threaded hole IV is formed in the connecting portion II 202, the fixing portion II 201 is provided with two fixing portions II which are respectively located on two sides of the connecting portion II 202, concretely, a threaded hole III is formed in each of the two fixing portions II 201, a threaded hole IV is formed in the connecting portion II 202, the threaded hole III and the threaded hole IV are both arranged on the same horizontal line, a clamping groove I203 is formed between the fixing portion II 201 and the connecting portion II 202, an inverted buckle 3 is arranged inside the clamping groove I203, concretely, one side of the inverted buckle 3 and the inner wall of one side of the clamping groove I203 form a clamping groove, the other side of the inverted buckle 3 and the inner wall of the other side of the clamping groove I203 form a clamping groove, the fixing portion I101 and the connecting portion I102 are respectively clamped on the two clamping grooves, a shaft pin 4 is arranged on the threaded hole I, and the shaft pin 4 penetrates through the threaded hole I, Screw hole two, screw hole three and screw hole four, realize pump case 1 and pump case lid 2 swing joint, it is concrete, pivot 4 plays fixed effect, with thread tightening, be convenient for installation and dismantlement, back-off 3 and pump case lid 2 structure as an organic whole, back-off 3 inlay card is on pivot 4, it is concrete, back-off 3 and pump case lid 2 integrated into one piece, back-off 3 inlay card is on pivot 4, after the installation targets in place, open pump case lid 2 and appear excessively opening, can drop by oneself, avoid damaging pump case lid 2, and the installation is simple, form draw-in groove two 104 between fixed part one 101 and the connecting portion one 102, fixed part one 101 inlay card is in the inside of draw-in groove one 203, back-off 3 inlay card is in the inside of draw-in groove two 104, connecting portion two 202 inlay card is in the inside of recess 103, it is concrete, the both sides of connecting portion two 202 closely laminate with the both sides inner wall of recess 103.

The first card slots 203 are two, the second card slots 104 are two, specifically, the first card slots 203 are located on two sides of the second connecting portion 202 respectively, and the second card slots 104 are located on two sides of the first connecting portion 102 respectively.

Wherein, fixed part 101 is provided with two, and the top one end of two fixed part 101 sets up to the arc form, and two fixed part 101 are located the both sides of connecting portion 102 respectively, and is concrete, and the arc form effectively improves the activity performance.

Wherein, fixed part 101 and connecting portion 102 are integrated structures with pump case 1 respectively, fixed part two 201 and connecting portion two 202 are integrated structures with pump case lid 2 respectively, it is concrete, fixed part 101 and connecting portion 102 are integrated structures with pump case 1 respectively, can effectively improve the fixity of pump case lid 2, fixed part two 201 and connecting portion two 202 are integrated structures with pump case lid 2 respectively, can effectively improve the fixity of pump case lid 2, prevent the cracked phenomenon, make the connection of pump case 1 and pump case lid 2 more stable.

The reverse buckle 3 is in a circular arc structure, and specifically, the inner wall of the reverse buckle 3 is movably connected with the outer wall of the shaft pin 4.

The outer surfaces of the first fixing portion 101, the first connecting portion 102, the second fixing portion 201, the second connecting portion 202 and the reverse buckle 3 are provided with wear-resistant coatings, and particularly, the wear-resistant performance of the first fixing portion 101, the first connecting portion 102, the second fixing portion 201, the second connecting portion 202 and the reverse buckle 3 can be effectively improved, the service life is prolonged, and the phenomenon of serious wear after long-time use is avoided.

The utility model discloses a theory of operation and use flow: through the independent round pin axle of junction design at pump case and pump case lid, pivot 4 runs through screw hole one on the fixed part one, screw hole two on the connecting portion one, screw hole three on the fixed part two and screw hole four on the connecting portion two, realize pump case 1 and pump case lid 2 swing joint, pivot 4 plays fixed effect, with thread tightening, be convenient for installation and dismantlement, can directly make pump case lid and pump case break away from when opening the pump case lid hard, prevent the junction fracture, practice thrift use cost, through setting up the back-off on draw-in groove one 203 at the pump case lid, after the installation targets in place, when opening the pump case lid and excessively opening appears, can drop by oneself, avoid damaging the pump case lid, and the installation is simple, the pivot card can on 4, the utility model discloses the connected mode of well pump case and pump case lid has practiced thrift the cost of a interlinkage injection molding, use cost has been reduced.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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. A connection structure of a blood pump casing and a pump casing cover comprises a pump casing (1) and a pump casing cover (2), and is characterized in that a first fixing part (101) and a first connecting part (102) are arranged at the top of the pump casing (1), a groove (103) is formed in the top of the first connecting part (102), a first threaded hole is formed in the first fixing part (101), a second threaded hole is formed in the first connecting part (102), a second fixing part (201) and a second connecting part (202) are arranged at one end of the bottom of the pump casing cover (2), a third threaded hole is formed in the second fixing part (201), a fourth threaded hole is formed in the second connecting part (202), two fixing parts (201) are arranged on the two sides of the second connecting part (202), and a first clamping groove (203) is formed between the second fixing part (201) and the second connecting part (202), the pump is characterized in that an inverted buckle (3) is arranged inside the first clamping groove (203), a shaft pin (4) is arranged on the first threaded hole, the shaft pin (4) penetrates through the first threaded hole, the second threaded hole, the third threaded hole and the fourth threaded hole to achieve movable connection of the pump shell (1) and the pump shell cover (2), the inverted buckle (3) and the pump shell cover (2) are of an integrated structure, the inverted buckle (3) is embedded on the shaft pin (4), a second clamping groove (104) is formed between the first fixing portion (101) and the first connecting portion (102), the first fixing portion (101) is embedded inside the first clamping groove (203), the inverted buckle (3) is embedded inside the second clamping groove (104), and the second connecting portion (202) is embedded inside the groove (103).

2. The structure for connecting the pump shell of the blood pump with the pump shell cover as claimed in claim 1, wherein: the number of the first clamping grooves (203) is two, and the number of the second clamping grooves (104) is two.

3. The structure for connecting the pump shell of the blood pump with the pump shell cover as claimed in claim 1, wherein: the first fixing portions (101) are provided with two, one end of the top of each first fixing portion (101) is arc-shaped, and the two first fixing portions (101) are located on two sides of the first connecting portion (102) respectively.

4. The structure for connecting the pump shell of the blood pump with the pump shell cover as claimed in claim 1, wherein: the first fixing part (101)) and the first connecting part (102) are respectively integrated with the pump shell (1), and the second fixing part (201) and the second connecting part (202) are respectively integrated with the pump shell cover (2).

5. The structure for connecting the pump shell of the blood pump with the pump shell cover as claimed in claim 1, wherein: the reverse buckle (3) is of an arc-shaped structure.

6. The structure for connecting the pump shell of the blood pump with the pump shell cover as claimed in claim 1, wherein: and the outer surfaces of the first fixing part (101), the first connecting part (102), the second fixing part (201), the second connecting part (202) and the reverse buckle (3) are all provided with wear-resistant coatings.