Automobile brake pump convenient to install
By designing a sliding connection between a square groove and a cylindrical shaft on the automotive brake pump, combined with a mounting mechanism for a baffle and a limiting block, the problems of inconvenient installation and poor limiting stability of the brake pump are solved, enhancing protection and extending service life.
Patent Information
- Application Number
- CN202520246944.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-17
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2035-02-17
AI Technical Summary
Existing automotive brake pumps are inconvenient to install and have poor limiting stability. Prolonged use can easily damage the outer limit components, and their exposed nature makes them susceptible to damage, reducing their service life.
An automotive brake pump with a square groove and cylindrical structure was designed. The mounting mechanism, including the square groove and protective mechanism, is set up through the sliding connection between the cylindrical shaft and the square shaft. The sliding connection between the square shaft and the cylindrical shaft, combined with the design of baffle and limit block, increases the limiting stability, and the combination of protective sleeve and retaining ring provides protection.
It facilitates installation and improves the stability of the limit switch, while also enhancing the protective effect and extending the service life of the brake pump.
Smart Images

Figure CN223609165U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to brake pump technical field, concretely is a kind of automobile brake pump of easy installation. BACKGROUND
[0002] Automobile brake pump is indispensable chassis brake parts of brake system, its main role is to top brake pad, brake pad rubs brake drum. Make speed reduction and static. After stepping on brake master cylinder generates thrust and pressurizes hydraulic oil to sub-pump, the piston inside sub-pump is moved by hydraulic pressure and starts to push brake pad.
[0003] According to patent authorized announcement No. CN101239619B, a kind of automobile brake device, namely an improved automobile brake pump. It includes oil cylinder, the piston column moving in oil cylinder, the middle part of oil cylinder has oil inlet hole, the front part has oil outlet hole, the front part of piston column is top-connected with return spring. Two bosses for sliding with piston column are arranged in oil cylinder, so that piston column runs stably. The oil cylinder on both sides of each boss is connected by the hole in boss, and the sliding effect between piston column and oil cylinder is good. The middle part of piston column has oil passing hole connected with oil inlet cavity of oil cylinder. The oil cylinder is disconnected and sealed between the two bosses, i.e. through gland and sealing ring on the piston column, the end of the front oil cylinder is screwed and pressed, the edge of the sealing ring is also pressed on the end face of the oil cylinder, the sealing ring is in static state, and the sealing effect is good. The rear oil cylinder is connected with the rear part of the gland. The piston column and the oil cylinder are supported by double-position ring surface, run stably, lubricate well, seal reliably, have long service life, high pressure resistance and safe use.
[0004] However, the automobile brake pump in the prior art is usually fixed on the cylindrical shaft by external components during installation, which is not only troublesome, but also has poor limiting stability, and the external limiting components are easily damaged after long-term use. Moreover, the automobile brake pump is usually exposed directly, which is easily damaged, thereby reducing the service life and use effect of the automobile brake pump. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing a kind of automobile brake pump of easy installation, solve the installation and protection problems of automobile brake pump.
[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of automobile brake pump of easy installation, including brake pump, the brake pump is equipped with a plurality of lightening holes, the brake pump is equipped with square groove, the brake pump is provided with installation mechanism, and the brake pump is provided with protection mechanism.
[0007] Preferably, the installation mechanism includes square shaft, the square groove is slidably connected with square shaft inside, the left and right sides of the square shaft are respectively fixedly connected with cylindrical shaft, and the outer diameter of the cylindrical shaft is same with the side length of the square shaft.
[0008] Preferably, a right baffle is fixedly connected to the right side of the cylindrical shaft, the right baffle is closely attached to the right side of the brake pump, a plurality of right limiting blocks are fixedly connected to the left side of the right baffle, a plurality of right limiting grooves are opened on the right side of the brake pump, and the right limiting blocks are slidably inserted into the inside of the right limiting grooves.
[0009] Preferably, a left baffle is slidably sleeved on the left side of the cylindrical shaft, and a plurality of left limiting blocks are fixedly connected to the right side of the left baffle. A plurality of left limiting grooves are opened on the left side of the brake pump, and the left limiting blocks are slidably inserted into the interior of the left limiting grooves.
[0010] Preferably, the left baffle is closely attached to the left side of the brake pump, and the left baffle is fixedly connected to the left side of the brake pump by multiple bolts.
[0011] Preferably, the protective mechanism includes a protective sleeve, which is fixedly wrapped around the outside of the brake pump. The protective sleeve is made of metal. A left retaining ring is fixedly connected to the left side of the protective sleeve, and a right retaining ring is fixedly connected to the right side of the protective sleeve. The left and right retaining rings are the same size. The left retaining ring is fixedly connected to the left side of the brake pump, and the right retaining ring is fixedly connected to the right side of the brake pump.
[0012] Preferably, the inner side of the protective sleeve is fixedly connected with multiple positioning blocks, and the outer side of the brake pump is provided with multiple positioning grooves, with the positioning blocks slidably inserted into the inside of the positioning grooves.
[0013] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0014] 1. This utility model uses a cylindrical shaft with a square shaft, which is slidably connected to a square groove to limit the brake pump. When the cylindrical shaft rotates, it drives the brake pump to rotate. The right and left baffles respectively block and limit the left and right sides of the brake pump to prevent the brake pump from moving left and right, thereby increasing the stability of the limit and rotation.
[0015] 2. This utility model limits the protective sleeve by sliding the positioning block and the positioning groove, making it easy for the protective sleeve to be fitted and fixed on the outside of the brake pump. At the same time, the setting of the left and right retaining rings increases the protection and limits the protective sleeve. Attached Figure Description
[0016] Figure 1 This is a perspective view of the overall structure of this utility model;
[0017] Figure 2 This utility model has a partial three-dimensional structure. Figure 1 ;
[0018] Figure 3 This utility model has a partial three-dimensional structure. Figure 2;
[0019] Figure 4 The utility model discloses a partial structure three-dimensional Figure 3 ;
[0020] Figure 1 The utility model discloses a whole structure partial section view.
[0021] In the drawing: 1 brake pump, 2 weight reduction hole, 3 square groove, 4 installation mechanism, 5 protection mechanism, 41 square shaft, 42 cylindrical shaft, 43 right baffle, 44 right limiting block, 45 right limiting groove, 46 left baffle, 47 left limiting block, 48 left limiting groove, 51 protective sleeve, 52 left baffle ring, 53 right baffle ring, 54 positioning block, 55 positioning groove. DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work belong to the scope of protection of the utility model.
[0023] Please refer to Figure 5 、 Figure 1 A kind of automobile brake pump of being convenient for installation, including brake pump 1, brake pump 1 is equipped with multiple weight reduction holes 2, by the setting of multiple weight reduction holes 2, the weight of brake pump 1 is reduced, manufacturing material is reduced, brake pump 1 is equipped with square groove 3, brake pump 1 is provided with installation mechanism 4, brake pump 1 is provided with protection mechanism 5.
[0024] Please refer to Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 、 Figure 1The mounting mechanism 4 comprises a square shaft 41, the square shaft 41 is slidably connected in the square groove 3, the left side and the right side of the square shaft 41 are fixedly connected with a cylindrical shaft 42 respectively, the outer diameter of the cylindrical shaft 42 is same as the side length of the square shaft 41, the right side of the cylindrical shaft 42 is fixedly connected with a right baffle 43, the right baffle 43 is tightly attached to the right side of the brake pump 1, the left side of the right baffle 43 is fixedly connected with a plurality of right limiting blocks 44, a plurality of right limiting grooves 45 are formed in the right side of the brake pump 1, the right limiting blocks 44 are slidably inserted into the right limiting grooves 45, the right limiting grooves 45 and the right limiting blocks 44 are slidably connected, the right baffle 43 is limited, the left side of the cylindrical shaft 42 is slidably sleeved with a left baffle 46, the right side of the left baffle 46 is fixedly connected with a plurality of left limiting blocks 47, the left limiting blocks 47 and left limiting grooves 48 are slidably connected, the left baffle 46 is limited, a plurality of left limiting grooves 48 are formed in the left side of the brake pump 1, the left limiting blocks 47 are slidably inserted into the left limiting grooves 48, the left baffle 46 is tightly attached to the left side of the brake pump 1, and the left baffle 46 is fixedly connected to the left side of the brake pump 1 through a plurality of bolts.
[0025] Please refer to Figure 5 、 The protection mechanism 5 comprises a protection sleeve 51, the outer side of the brake pump 1 is fixedly wrapped with the protection sleeve 51, the material of the protection sleeve 51 is metal, the left side of the protection sleeve 51 is fixedly connected with a left blocking ring 52, the right side of the protection sleeve 51 is fixedly connected with a right blocking ring 53, the left blocking ring 52 and the right blocking ring 53 are same in size, the left blocking ring 52 is fixedly connected to the left side of the brake pump 1, the right blocking ring 53 is fixedly connected to the right side of the brake pump 1, the inner side of the protection sleeve 51 is fixedly connected with a plurality of positioning blocks 54, the positioning blocks 54 and positioning grooves 55 are slidably connected, the protection sleeve 51 is limited, the installation stability is increased, a plurality of positioning grooves 55 are formed in the outer side of the brake pump 1, and the positioning blocks 54 are slidably inserted into the positioning grooves 55.
[0026] The specific implementation process of the utility model is as follows: in use, the brake pump 1 is slidably sleeved, the square groove 3 and the square shaft 41 are slidably inserted, then the right limiting blocks 44 and the right limiting grooves 45 are slidably inserted, then the left baffle 46 is sleeved, the left limiting blocks 47 and the left limiting grooves 48 are slidably inserted, then the left baffle 46 and the brake pump 1 are limitedly connected through a plurality of bolts, the positioning blocks 54 and the positioning grooves 55 are slidably connected, the protection sleeve 51 is limited, the installation stability is increased, and the left blocking ring 52 and the right blocking ring 53 are fixedly installed on the left side and the right side of the brake pump 1 respectively.
[0027] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A car brake pump for easy installation comprising a brake pump (1) characterized by: The brake pump (1) is provided with a plurality of lightening holes (2), the brake pump (1) is provided with a square groove (3), the brake pump (1) is provided with a mounting mechanism (4), and the brake pump (1) is provided with a protection mechanism (5).
2. A car brake pump for easy installation as claimed in claim 1, wherein: The mounting mechanism (4) includes a square shaft (41), the square shaft (41) is slidably connected in the square groove (3), and the left and right sides of the square shaft (41) are fixedly connected with cylindrical shafts (42), respectively.
3. A car brake pump for easy installation as claimed in claim 2 wherein: The right side of the cylindrical shaft (42) is fixedly connected with a right baffle (43), the right baffle (43) is tightly attached to the right side of the brake pump (1), and the left side of the right baffle (43) is fixedly connected with a plurality of right limiting blocks (44).
4. A car brake pump for easy installation as claimed in claim 2 wherein: The left side of the cylindrical shaft (42) is slidably sleeved with a left baffle (46), the right side of the left baffle (46) is fixedly connected with a plurality of left limiting blocks (47), the left side of the brake pump (1) is provided with a plurality of left limiting grooves (48), and the left limiting blocks (47) are slidably inserted into the left limiting grooves (48).
5. A car brake pump for easy installation as claimed in claim 4 wherein: The left baffle (46) is tightly attached to the left side of the brake pump (1), and the left baffle (46) is fixedly connected to the left side of the brake pump (1) through a plurality of bolts.
6. A car brake pump for easy installation as claimed in claim 1 wherein: The protection mechanism (5) includes a protective sleeve (51), the outer side of the brake pump (1) is fixedly wrapped with the protective sleeve (51), the material of the protective sleeve (51) is metal, the left side of the protective sleeve (51) is fixedly connected with a left baffle ring (52), the right side of the protective sleeve (51) is fixedly connected with a right baffle ring (53), the left baffle ring (52) and the right baffle ring (53) are the same size, the left baffle ring (52) is fixedly connected to the left side of the brake pump (1), and the right baffle ring (53) is fixedly connected to the right side of the brake pump (1).
7. A car brake pump for easy installation as claimed in claim 6 wherein: The inner side of the protective sleeve (51) is fixedly connected with a plurality of positioning blocks (54), the outer side of the brake pump (1) is provided with a plurality of positioning grooves (55), and the positioning blocks (54) are slidably inserted into the positioning grooves (55).
Citation Information
Patent Citations
Car brake pump
CN101239619B