CN113120809B - Storage battery locking mechanism and forklift - Google Patents

Abstract

The invention provides a storage battery locking mechanism and a forklift, belonging to the technical field of electric forklifts, and comprising: the storage battery is provided with a first power-on port and a locking assembly, wherein the locking assembly comprises a trigger piece and a first locking piece, and linkage is formed between the trigger piece and the first locking piece; the frame, and be provided with the cavity that is used for installing the battery on the frame, and be provided with the second circular telegram port with first circular telegram port grafting cooperation on the chamber bottom of cavity and with the second locking piece that first locking piece cooperation was used. Through the linkage between trigger piece and the first locking piece, reach the purpose of quick installation and quick dismantlement battery, in addition, through the joint cooperation between first locking piece and the second locking piece to and the grafting cooperation between first circular telegram port and the second circular telegram port, form "dual injecture" along its plug orientation to the battery, and then guarantee signal transmission's reliability and stability.

Description

Storage battery locking mechanism and forklift

Technical Field

The invention belongs to the technical field of electric forklifts, and relates to a storage battery locking mechanism, in particular to a storage battery locking mechanism and a forklift.

Background

Along with the continuous deepening of energy-saving and environment-friendly concepts, more and more forklifts use a storage battery as a power source, and the storage battery with large capacity is required to be installed on the forklifts to provide power. However, the storage battery on the existing forklift is troublesome to install, and is easy to loosen in the running process of the forklift, so that the reliability of signal transmission is influenced, and the service lives of other parts are further influenced.

Disclosure of Invention

The invention aims to solve the problems in the prior art, and provides a storage battery locking mechanism which can improve the installation stability of a storage battery, prolong the service life of the storage battery and improve the reliability of signal transmission.

The purpose of the invention can be realized by the following technical scheme: a battery locking mechanism comprising:

the storage battery is provided with a first power-on port and a locking assembly, wherein the locking assembly comprises a trigger piece and a first locking piece, and linkage is formed between the trigger piece and the first locking piece;

the frame, and be provided with the cavity that is used for installing the battery on the frame, and be provided with on the chamber bottom of cavity and switch on the port with first switch on the second of port grafting cooperation to and the second locking piece that uses with first locking piece cooperation, wherein, drive first locking piece through trigger part and accomplish the joint with the second locking piece and break away from.

In the above-mentioned battery locking mechanism, the battery and the second locking piece are in insertion fit, and the battery includes a housing, and a jack is arranged on the housing along the insertion and extraction direction of the battery, wherein the jack is in insertion fit with the second locking piece.

In the storage battery locking mechanism, the shell is provided with the through groove, the trigger piece is installed on the groove wall of the through groove, and the trigger piece and the first electrifying port are located at two ends of the shell along the plugging direction of the storage battery.

In the above battery locking mechanism, one end of the first locking piece is hinged to the housing through the elastic sheet, the other end of the first locking piece is provided with the hook, and the second locking piece is provided with a clamping groove in clamping fit with the hook.

In the above battery locking mechanism, a first pull rope is arranged between the trigger member and the first locking member, and two ends of the first pull rope are respectively connected with the trigger member and the first locking member, wherein the linkage between the trigger member and the first locking member is realized through the first pull rope.

In the storage battery locking mechanism, the cavity bottom of the cavity is connected with a supporting component which can float up and down along the insertion and extraction direction of the storage battery, wherein the second electrifying port is connected to the supporting component.

In the above battery lock mechanism, when the battery is mounted on the vehicle body frame, a gap is formed between a side of the battery close to the position of the first energization port and the cavity bottom of the cavity.

In the above battery locking mechanism, the support assembly includes a bracket, and the bracket is connected to the cavity bottom of the cavity by a fastener, wherein the second through port is connected to the bracket, and the elastic member is nested on the fastener.

In the above battery locking mechanism, a positioning portion is disposed between the battery and the cavity, and the positioning portion includes a positioning plate mounted on the cavity bottom of the cavity and a positioning groove mounted on the battery.

The invention also provides a forklift comprising the storage battery locking mechanism.

Compared with the prior art, the invention has the beneficial effects that:

(1) in addition, through the clamping fit between the first locking piece and the second locking piece and the splicing fit between the first electrifying port and the second electrifying port, double limitation on the accumulator in the plugging and pulling direction is formed, the reliability and the stability of the accumulator installation are further improved, and the reliability and the stability of signal transmission are further ensured.

(2) The second locking piece is used as a positioning part when the storage battery is arranged in the cavity through the insertion fit between the storage battery and the second locking piece, so that the first electrifying port and the second electrifying port are ensured to be reliably inserted and connected, and the limiting part of the storage battery moving in the horizontal direction in the cavity is limited, so that the storage battery is prevented from shaking left and right in the running process of the forklift; the third aspect is used as a clamping structure matched with the first locking piece, a limiting part of the storage battery moving along the self plugging and unplugging direction in the cavity is limited, the reliability of the first power-on port and the second power-on port after plugging is guaranteed, and the stability of signal transmission is further improved.

(3) The through groove is used as a penetrating space of a palm of an operator when the operator lifts or carries the storage battery, the trigger part is arranged on the groove wall of the through groove, and when the operator removes the storage battery, the 'one action of lifting the storage battery' not only releases the clamping fit between the first locking part and the second locking part, but also is used as a force point when the operator lifts the storage battery, so that the storage battery can be conveniently lifted from the cavity, namely one action achieves two purposes, the linkage effect is obvious, and the purpose of rapidly removing the storage battery is achieved; when operating personnel is when installing the battery, because operating personnel's palm is in the state of pressing the trigger piece all the time, even insert the jack in the second locking piece, also can't realize the joint of first locking piece and second locking piece, guaranteed the smooth and easy insertion of battery.

(4) The one end of shell fragment and the articulated cooperation of first locking piece, the other end of shell fragment supports the one end at pothook place in the first locking piece, when the pothook card goes into the draw-in groove, the elasticity butt that produces through shell fragment self is on first locking piece, further strengthens the joint power between first locking piece and the second locking piece to improve the reliability and the stability of battery installation, and then improve the grafting power between first circular telegram port and the second circular telegram port.

(5) The two ends of the second pull rope are provided with the limit buckles, the relative positions between the first locking pieces on the two sides of the battery core are controlled, the two first locking pieces are guaranteed to be always in a symmetrical state, and the reliability of the clamping connection of the first locking pieces and the second locking pieces is improved.

(6) Through setting up supporting component, reduce fork truck and to the vibrations of battery at the in-process of traveling to the life of extension battery improves signal transmission's reliability between battery and the fork truck simultaneously.

(7) The clearance that forms between the chamber end through battery bottom surface (being close to in the side of first circular telegram port place position) and cavity, on the one hand when the cooperation of pegging graft of first circular telegram port on as the battery and the second circular telegram port on the supporting component, guarantee the seamless grafting between the port of both ends, avoid taking place partial grafting, on the other hand is as fork truck in the buffer space of driving in-process battery fluctuation, avoid the battery to bump with the frame at fork truck driving in-process, the life of extension battery.

(8) Through setting up the fastener, guarantee the straightness accuracy of elastic component at the pressurized or in-process of stretching and the straightness accuracy that the support removed the in-process along battery plug direction on the one hand, on the other hand adjusts the elasticity of elastic component under the initial test state through the fastener, and the stroke of control battery at the in-process that floats from top to bottom to on being applied to the fork truck of different battery specifications with this supporting component, enlarge its commonality.

(9) Through the grafting cooperation between locating plate and the constant head tank, the accuracy nature of battery installation when realizing first circular telegram port and the cooperation of pegging graft of second circular telegram port on the one hand, on the other hand inject the degree of freedom of battery on the horizontal direction, prevent to peg graft the battery on the frame and take place to rock at fork truck driving in-process.

Drawings

Fig. 1 is a schematic structural view of a battery locking mechanism of the present invention.

Fig. 2 is an enlarged schematic view of a structure at a in fig. 1.

Fig. 3 is an exploded view of a forklift of the present invention.

In the figure, 100, a storage battery; 110. a first power-on port; 120. a housing; 121. a jack; 122. a through groove; 123. a limiting rod; 130. an electric core; 140. positioning a groove; 200. a locking assembly; 210. a trigger; 211. a connecting rod; 212. a second pull cord; 213. a limit buckle; 220. a first locking member; 221. a hook; 230. a second locking member; 231. a card slot; 240. a spring plate; 250. a first pull cord; 300. a frame; 310. a cavity; 320. a second power-on port; 330. a gap; 340. positioning a plate; 400. a support assembly; 410. a support; 411. bending a plate; 420. an elastic member; 430. a fastener.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

It should be noted that all directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

As shown in fig. 1 to 3, the present invention provides a battery lock mechanism including: the storage battery 100 is provided with a first electrifying port 110 and a locking assembly 200, wherein the locking assembly 200 comprises a trigger 210 and a first locking piece 220, and the trigger 210 and the first locking piece 220 are linked; the frame 300 is provided with a cavity 310 for installing the battery 100, and a second power-on port 320 for mating with the first power-on port 110 and a second locking member 230 for mating with the first locking member 220 are provided on the bottom of the cavity 310, wherein the first locking member 220 is driven by the trigger 210 to complete the engagement and disengagement with the second locking member 230.

In this embodiment, when the storage battery 100 needs to be installed, an operator presses the trigger 210, inserts the storage battery 100 into the cavity 310, completes the insertion and engagement between the first power port 110 and the second power port 320 until the storage battery is completely inserted, releases the trigger 210, and locks the second locking member 230 on the first locking member 220 linked with the trigger; when the storage battery 100 needs to be disassembled, the operator presses the trigger 210 again to release the clamping connection between the first locking piece 220 and the second locking piece 230, and then pulls the storage battery 100 to realize the insertion connection between the first electrifying port 110 and the second electrifying port 320 until the storage battery 100 is taken out of the cavity 310.

According to the forklift provided by the invention, the first locking piece 220 and the second locking piece 230 are clamped or separated through linkage between the trigger piece 210 and the first locking piece 220, so that the aim of quickly mounting and dismounting the storage battery 100 is fulfilled, in addition, through clamping matching between the first locking piece 220 and the second locking piece 230 and splicing matching between the first electrifying port 110 and the second electrifying port 320, double limitation on the storage battery 100 in the plugging direction is formed, the mounting reliability and stability of the storage battery 100 are further improved, and the transmission reliability and stability of signals are further ensured.

Preferably, a plug-in fit is used between the battery 100 and the second locking member 230.

Further preferably, the storage battery 100 includes a casing 120 and a battery core 130, and the casing 120 is provided with an insertion hole 121 along an insertion and extraction direction of the storage battery 100, and the insertion hole 121 is in insertion fit with the second locking piece 230, wherein the first power-on port 110 is electrically connected with the battery core 130.

In this embodiment, through the insertion and engagement between the battery 100 and the second locking member 230, the second locking member 230 serves as a positioning portion when the battery 100 is installed in the cavity 310, so as to ensure the reliable insertion and engagement between the first power port 110 and the second power port 320, and defines a limiting portion for the battery 100 to move in the cavity 310 along a direction perpendicular to the insertion and extraction direction (horizontal direction) of the battery 100, so as to prevent the battery 100 from shaking left and right during the running process of the forklift; the third aspect is used as a clamping structure matched with the first locking piece 220, so that a limiting part of the storage battery 100 moving in the cavity 310 along the plugging and unplugging direction of the storage battery is limited, the reliability of the first power-on port 110 and the second power-on port 320 after plugging and unplugging is guaranteed, and the stability of signal transmission is further improved.

It is further preferable that a guide slope is provided on a side of the insertion hole 121 adjacent to the first power-on port 110 to facilitate the insertion of the second locking member 230 into the insertion hole 121.

Preferably, the housing 120 is provided with a through groove 122, and the trigger 210 is mounted on a groove wall of the through groove 122, wherein the trigger 210 and the first energization port 110 are located at two ends of the housing 120 along the inserting and extracting direction of the battery 100.

In the present embodiment, the through slot 122 itself serves as a penetrating space for an operator to pull or carry the storage battery 100, and the trigger 210 is disposed on a slot wall of the through slot 122, so that when the operator removes the storage battery 100, the "one action of pulling the storage battery 100" not only releases the clamping fit between the first locking member 220 and the second locking member 230, but also serves as a force point when the operator pulls the storage battery 100, so as to facilitate the lifting of the storage battery 100 from the cavity 310, that is, one action (pressing the trigger 210) achieves two purposes (one removes the clamping fit between the first locking member 220 and the second locking member 230, and the other pulls the storage battery 100), the linkage effect is obvious, and the purpose of rapidly removing the storage battery 100 is achieved; when the operator installs the battery 100, since the palm of the operator is always in a state of pressing the trigger 210, even if the insertion hole 121 is inserted into the second locking member 230, the first locking member 220 and the second locking member 230 cannot be engaged, and smooth insertion of the battery 100 is ensured.

Preferably, one end of the first locking member 220 is hinged to the housing 120 through a spring 240, and the other end of the first locking member 220 is provided with a hook 221, wherein the second locking member 230 is provided with a slot 231 engaged with the hook 221.

In this embodiment, one end of the elastic sheet 240 is hinged to the first locking member 220, the other end of the elastic sheet 240 abuts against one end of the first locking member 220 where the hook 221 is located, when the hook 221 is clamped into the clamping slot 231, the elastic force generated by the elastic sheet 240 abuts against the first locking member 220, and the clamping force between the first locking member 220 and the second locking member 230 is further enhanced, so that the reliability and stability of the installation of the battery 100 are improved, and the insertion force between the first power port 110 and the second power port 320 is further improved.

Preferably, a first pull rope 250 is arranged between the trigger 210 and the first locking member 220, and two ends of the first pull rope 250 are respectively connected with the trigger 210 and the first locking member 220, wherein the first pull rope 250 is used for realizing the linkage between the trigger 210 and the first locking member 220.

Further preferably, the triggering element 210 is disposed in a U-shaped structure, wherein two connecting rods 211 disposed oppositely are disposed on a closed end of the U-shaped triggering element 210, and serve as connecting portions between the first pulling rope 250 and the triggering element 210, an open end of the U-shaped triggering element 210 faces an inner side wall of the housing 120, and a distance between the open end and the inner side wall of the U-shaped triggering element 210 serves as a moving stroke of the triggering element 210 moving along the inserting and pulling direction of the battery 100.

In the embodiment, when the trigger 210 is pressed, the first locking member 220 is pulled to rotate through the first pulling rope 250, so that the elastic sheet 240 is compressed, and since the first pulling rope 250 is always in a tensioned state when an operator lifts or carries the storage battery 100 by hand, the rotation of the first locking member 220 is avoided.

Further preferably, two opposite limiting rods 123 are arranged on the inner side wall of the housing 120, wherein the two limiting rods 123 respectively correspond to two sides of the open end of the U-shaped trigger 210, and control the stroke distance of the trigger 210 moving along the plugging and unplugging direction of the battery 100.

Preferably, the two connecting rods 211 are connected through a second pulling rope 212, wherein the second pulling rope 212 and the first pulling rope 250 are integrally arranged, and two ends of the second pulling rope 212 are respectively nested with a limit buckle 213.

In this embodiment, the two ends of the second pulling rope 212 are provided with the limit buckles 213, so as to control the relative positions of the first locking pieces 220 on the two sides of the battery cell 130, ensure that the two first locking pieces 220 are always in a symmetrical state, and improve the reliability of the clamping connection between the first locking pieces 220 and the second locking pieces 230.

Preferably, a support member 400 is connected to the bottom of the cavity 310 to be vertically movable in the insertion and extraction direction of the battery 100, and the second power port 320 is connected to the support member 400.

In this embodiment, by providing the support assembly 400, the vibration of the forklift to the battery 100 during the driving process is reduced, so that the service life of the battery 100 is prolonged, and the reliability of signal transmission between the battery 100 and the forklift is improved.

It is further preferable that a gap 330 exists between a side of the battery 100 near the position of the first energizing port 110 and the bottom of the cavity 310 when the battery 100 is mounted on the frame 300.

In this embodiment, through a gap 330 formed between the bottom surface of the battery 100 (a side surface close to the position of the first power port 110) and the bottom of the cavity 310, when the gap is used as the first power port 110 on the battery 100 to be in plug fit with the second power port 320 on the support assembly 400, seamless plug-in connection between the two ports is ensured, so as to avoid partial plug-in connection, and the gap is used as a buffer space for up-and-down floating of the battery 100 during the driving process of the forklift, so as to avoid collision between the battery 100 and the frame 300 during the driving process of the forklift, and prolong the service life of the battery 100.

Preferably, the support assembly 400 includes a bracket 410, and the second power-on port 320 is connected to one side of the bracket 410, and the other side of the bracket 410 is connected to the bottom of the cavity 310 through an elastic member 420.

It is further preferred that the bracket 410 is connected to the bottom of the cavity 310 by a fastener 430, wherein the elastic member 420 is nested on the fastener 430.

In this embodiment, by providing the fastening member 430, on one hand, the straightness of the elastic member 420 during the compression or expansion process and the straightness of the bracket 410 during the movement along the insertion and extraction direction of the storage battery 100 are ensured, and on the other hand, the elastic force of the elastic member 420 in the initial test state is adjusted by the fastening member 430, and the stroke of the storage battery 100 during the up-and-down floating process is controlled, so that the supporting assembly 400 is applied to forklifts of different storage battery 100 specifications, and the universality is improved.

It is further preferable that the bent plate 411 is formed by bending along the edge of the bracket 410, so as to improve the strength of the bracket 410 and thus the bearing capacity of the bracket 410.

Preferably, a positioning portion is disposed between the battery 100 and the cavity 310, and the positioning portion is in a male-female plug fit, wherein the positioning portion defines a horizontal degree of freedom of the middle portion of the battery 100 in the cavity 310.

It is further preferable that the positioning part includes a positioning plate 340 mounted on the bottom of the cavity 310, and a positioning groove 140 mounted on the battery 100, wherein the first energizing port 110 is mounted on the bottom of the positioning groove 140.

In this embodiment, through the insertion and engagement between the positioning plate 340 and the positioning groove 140, on one hand, the accuracy of the installation of the storage battery 100 when the first power port 110 and the second power port 320 are inserted and engaged is achieved, on the other hand, the degree of freedom of the storage battery 100 in the horizontal direction is limited, and the storage battery 100 inserted and engaged on the frame 300 is prevented from shaking during the running process of the forklift.

Further preferably, the number of the positioning plates 340 is one, two, or three. When the number of the positioning plates 340 is one, they may be located at either side of the support member 400 and connected to the bottom of the cavity 310; when the number of the positioning plates 340 is two, the two positioning plates 340 may be located at adjacent two sides of the support assembly 400, or at opposite sides of the support assembly 400; when the quantity of locating plate 340 was three, formed U type structure, formed "half-enclosed state", wherein, the open end of U type structure is towards the one side at fork truck fork foot place, and the blind end of U type structure is towards the one side at fork truck handle place.

It should be noted that the descriptions related to "first", "second", "a", etc. in the present invention are only used for descriptive purposes and are not to be construed as indicating or implying relative importance or implicit indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise. The terms "connected", "fixed", and the like are to be construed broadly, and for example, "fixed" may be a fixed connection, a detachable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments, or alternatives may be employed, by those skilled in the art, without departing from the spirit or ambit of the invention as defined in the appended claims.

Claims (7)

1. A battery locking mechanism, comprising:

the storage battery (100) is provided with a first power-on port (110) and a locking assembly (200), wherein the locking assembly (200) comprises a trigger (210) and a first locking piece (220), and linkage is formed between the trigger (210) and the first locking piece (220);

the storage battery locking device comprises a frame (300), wherein a cavity (310) for mounting the storage battery (100) is formed in the frame (300), a second electrifying port (320) which is in plug-in fit with the first electrifying port (110) and a second locking piece (230) which is matched with the first locking piece (220) in use are formed in the bottom of the cavity (310), and the first locking piece (220) is driven by a trigger piece (210) to be clamped and separated from the second locking piece (230);

the storage battery (100) and the second locking piece (230) are in plug fit, the storage battery (100) comprises a shell (120), and a jack (121) is arranged on the shell (120) along the plug-in direction of the storage battery (100), wherein the jack (121) is in plug fit with the second locking piece (230);

one end of the first locking piece (220) is hinged to the shell (120) through an elastic sheet (240), the other end of the first locking piece (220) is provided with a clamping hook (221), and the second locking piece (230) is provided with a clamping groove (231) in clamping fit with the clamping hook (221);

a first pull rope (250) is arranged between the trigger part (210) and the first locking part (220), two ends of the first pull rope (250) are respectively connected with the trigger part (210) and the first locking part (220), and linkage between the trigger part (210) and the first locking part (220) is achieved through the first pull rope (250).

2. The battery locking mechanism according to claim 1, wherein a through groove (122) is provided on the housing (120), and the trigger (210) is mounted on a groove wall of the through groove (122), wherein the trigger (210) and the first energizing port (110) are located at both ends of the housing (120) in the insertion and extraction direction of the battery (100).

3. The battery locking mechanism according to claim 1, wherein a support member (400) that can float up and down in the insertion and extraction direction of the battery (100) is attached to the bottom of the cavity (310), and wherein the second energizing port (320) is attached to the support member (400).

4. The battery locking mechanism according to claim 3, wherein when the battery (100) is mounted to the vehicle frame (300), a gap (330) exists between a side of the battery (100) adjacent to the location of the first power port (110) and a floor of the cavity (310).

5. The battery locking mechanism according to claim 3, wherein the support assembly (400) comprises a bracket (410), and the bracket (410) is connected to the bottom of the cavity (310) by a fastener, wherein the second energizing port (320) is connected to the bracket (410) and the elastic member (420) is nested on the fastener.

6. The battery locking mechanism according to claim 3, wherein a positioning portion is provided between the battery (100) and the cavity (310), and the positioning includes a positioning plate (340) mounted on the bottom of the cavity (310) and a positioning groove (140) mounted on the battery (100).

7. A forklift truck comprising the battery locking mechanism of any one of claims 1 to 6.

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